2 *******************************************************************************
4 ** FILE NAME : arcmsr_hba.c
5 ** BY : Nick Cheng, C.L. Huang
6 ** Description: SCSI RAID Device Driver for Areca RAID Controller
7 *******************************************************************************
8 ** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved
10 ** Web site: www.areca.com.tw
11 ** E-mail: support@areca.com.tw
13 ** This program is free software; you can redistribute it and/or modify
14 ** it under the terms of the GNU General Public License version 2 as
15 ** published by the Free Software Foundation.
16 ** This program is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ** GNU General Public License for more details.
20 *******************************************************************************
21 ** Redistribution and use in source and binary forms, with or without
22 ** modification, are permitted provided that the following conditions
24 ** 1. Redistributions of source code must retain the above copyright
25 ** notice, this list of conditions and the following disclaimer.
26 ** 2. Redistributions in binary form must reproduce the above copyright
27 ** notice, this list of conditions and the following disclaimer in the
28 ** documentation and/or other materials provided with the distribution.
29 ** 3. The name of the author may not be used to endorse or promote products
30 ** derived from this software without specific prior written permission.
32 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
33 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
35 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
36 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,BUT
37 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
39 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 ** (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
41 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *******************************************************************************
43 ** For history of changes, see Documentation/scsi/ChangeLog.arcmsr
44 ** Firmware Specification, see Documentation/scsi/arcmsr_spec.txt
45 *******************************************************************************
47 #include <linux/module.h>
48 #include <linux/reboot.h>
49 #include <linux/spinlock.h>
50 #include <linux/pci_ids.h>
51 #include <linux/interrupt.h>
52 #include <linux/moduleparam.h>
53 #include <linux/errno.h>
54 #include <linux/types.h>
55 #include <linux/delay.h>
56 #include <linux/dma-mapping.h>
57 #include <linux/timer.h>
58 #include <linux/slab.h>
59 #include <linux/pci.h>
60 #include <linux/aer.h>
61 #include <linux/circ_buf.h>
64 #include <linux/uaccess.h>
65 #include <scsi/scsi_host.h>
66 #include <scsi/scsi.h>
67 #include <scsi/scsi_cmnd.h>
68 #include <scsi/scsi_tcq.h>
69 #include <scsi/scsi_device.h>
70 #include <scsi/scsi_transport.h>
71 #include <scsi/scsicam.h>
73 MODULE_AUTHOR("Nick Cheng, C.L. Huang <support@areca.com.tw>");
74 MODULE_DESCRIPTION("Areca ARC11xx/12xx/16xx/188x SAS/SATA RAID Controller Driver");
75 MODULE_LICENSE("Dual BSD/GPL");
76 MODULE_VERSION(ARCMSR_DRIVER_VERSION);
78 #define ARCMSR_SLEEPTIME 10
79 #define ARCMSR_RETRYCOUNT 12
81 static wait_queue_head_t wait_q;
82 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
83 struct scsi_cmnd *cmd);
84 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
85 static int arcmsr_abort(struct scsi_cmnd *);
86 static int arcmsr_bus_reset(struct scsi_cmnd *);
87 static int arcmsr_bios_param(struct scsi_device *sdev,
88 struct block_device *bdev, sector_t capacity, int *info);
89 static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd);
90 static int arcmsr_probe(struct pci_dev *pdev,
91 const struct pci_device_id *id);
92 static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state);
93 static int arcmsr_resume(struct pci_dev *pdev);
94 static void arcmsr_remove(struct pci_dev *pdev);
95 static void arcmsr_shutdown(struct pci_dev *pdev);
96 static void arcmsr_iop_init(struct AdapterControlBlock *acb);
97 static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
98 static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
99 static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
101 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
102 static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
103 static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
104 static void arcmsr_request_device_map(unsigned long pacb);
105 static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb);
106 static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb);
107 static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb);
108 static void arcmsr_message_isr_bh_fn(struct work_struct *work);
109 static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
110 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
111 static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB);
112 static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb);
113 static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
114 static const char *arcmsr_info(struct Scsi_Host *);
115 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
116 static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *);
117 static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb);
118 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
120 if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
121 queue_depth = ARCMSR_MAX_CMD_PERLUN;
122 return scsi_change_queue_depth(sdev, queue_depth);
125 static struct scsi_host_template arcmsr_scsi_host_template = {
126 .module = THIS_MODULE,
127 .name = "Areca SAS/SATA RAID driver",
129 .queuecommand = arcmsr_queue_command,
130 .eh_abort_handler = arcmsr_abort,
131 .eh_bus_reset_handler = arcmsr_bus_reset,
132 .bios_param = arcmsr_bios_param,
133 .change_queue_depth = arcmsr_adjust_disk_queue_depth,
134 .can_queue = ARCMSR_MAX_OUTSTANDING_CMD,
135 .this_id = ARCMSR_SCSI_INITIATOR_ID,
136 .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
137 .max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
138 .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
139 .use_clustering = ENABLE_CLUSTERING,
140 .shost_attrs = arcmsr_host_attrs,
144 static struct pci_device_id arcmsr_device_id_table[] = {
145 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110),
146 .driver_data = ACB_ADAPTER_TYPE_A},
147 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120),
148 .driver_data = ACB_ADAPTER_TYPE_A},
149 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130),
150 .driver_data = ACB_ADAPTER_TYPE_A},
151 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160),
152 .driver_data = ACB_ADAPTER_TYPE_A},
153 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170),
154 .driver_data = ACB_ADAPTER_TYPE_A},
155 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200),
156 .driver_data = ACB_ADAPTER_TYPE_B},
157 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201),
158 .driver_data = ACB_ADAPTER_TYPE_B},
159 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202),
160 .driver_data = ACB_ADAPTER_TYPE_B},
161 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1203),
162 .driver_data = ACB_ADAPTER_TYPE_B},
163 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210),
164 .driver_data = ACB_ADAPTER_TYPE_A},
165 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1214),
166 .driver_data = ACB_ADAPTER_TYPE_D},
167 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220),
168 .driver_data = ACB_ADAPTER_TYPE_A},
169 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230),
170 .driver_data = ACB_ADAPTER_TYPE_A},
171 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260),
172 .driver_data = ACB_ADAPTER_TYPE_A},
173 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1270),
174 .driver_data = ACB_ADAPTER_TYPE_A},
175 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1280),
176 .driver_data = ACB_ADAPTER_TYPE_A},
177 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1380),
178 .driver_data = ACB_ADAPTER_TYPE_A},
179 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381),
180 .driver_data = ACB_ADAPTER_TYPE_A},
181 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680),
182 .driver_data = ACB_ADAPTER_TYPE_A},
183 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681),
184 .driver_data = ACB_ADAPTER_TYPE_A},
185 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880),
186 .driver_data = ACB_ADAPTER_TYPE_C},
187 {0, 0}, /* Terminating entry */
189 MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
191 static struct pci_driver arcmsr_pci_driver = {
193 .id_table = arcmsr_device_id_table,
194 .probe = arcmsr_probe,
195 .remove = arcmsr_remove,
196 .suspend = arcmsr_suspend,
197 .resume = arcmsr_resume,
198 .shutdown = arcmsr_shutdown,
201 ****************************************************************************
202 ****************************************************************************
205 static void arcmsr_free_mu(struct AdapterControlBlock *acb)
207 switch (acb->adapter_type) {
208 case ACB_ADAPTER_TYPE_B:
209 case ACB_ADAPTER_TYPE_D: {
210 dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
211 acb->dma_coherent2, acb->dma_coherent_handle2);
217 static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
219 struct pci_dev *pdev = acb->pdev;
220 switch (acb->adapter_type){
221 case ACB_ADAPTER_TYPE_A:{
222 acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0));
224 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
229 case ACB_ADAPTER_TYPE_B:{
230 void __iomem *mem_base0, *mem_base1;
231 mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
233 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
236 mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
239 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
242 acb->mem_base0 = mem_base0;
243 acb->mem_base1 = mem_base1;
246 case ACB_ADAPTER_TYPE_C:{
247 acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1));
249 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
252 if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
253 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/
258 case ACB_ADAPTER_TYPE_D: {
259 void __iomem *mem_base0;
260 unsigned long addr, range, flags;
262 addr = (unsigned long)pci_resource_start(pdev, 0);
263 range = pci_resource_len(pdev, 0);
264 flags = pci_resource_flags(pdev, 0);
265 mem_base0 = ioremap(addr, range);
267 pr_notice("arcmsr%d: memory mapping region fail\n",
271 acb->mem_base0 = mem_base0;
278 static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
280 switch (acb->adapter_type) {
281 case ACB_ADAPTER_TYPE_A:{
285 case ACB_ADAPTER_TYPE_B:{
286 iounmap(acb->mem_base0);
287 iounmap(acb->mem_base1);
291 case ACB_ADAPTER_TYPE_C:{
295 case ACB_ADAPTER_TYPE_D:
296 iounmap(acb->mem_base0);
301 static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
303 irqreturn_t handle_state;
304 struct AdapterControlBlock *acb = dev_id;
306 handle_state = arcmsr_interrupt(acb);
310 static int arcmsr_bios_param(struct scsi_device *sdev,
311 struct block_device *bdev, sector_t capacity, int *geom)
313 int ret, heads, sectors, cylinders, total_capacity;
314 unsigned char *buffer;/* return copy of block device's partition table */
316 buffer = scsi_bios_ptable(bdev);
318 ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]);
323 total_capacity = capacity;
326 cylinders = total_capacity / (heads * sectors);
327 if (cylinders > 1024) {
330 cylinders = total_capacity / (heads * sectors);
338 static uint8_t arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb)
340 struct MessageUnit_A __iomem *reg = acb->pmuA;
343 for (i = 0; i < 2000; i++) {
344 if (readl(®->outbound_intstatus) &
345 ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
346 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
347 ®->outbound_intstatus);
351 } /* max 20 seconds */
356 static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb)
358 struct MessageUnit_B *reg = acb->pmuB;
361 for (i = 0; i < 2000; i++) {
362 if (readl(reg->iop2drv_doorbell)
363 & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
364 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN,
365 reg->iop2drv_doorbell);
366 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT,
367 reg->drv2iop_doorbell);
371 } /* max 20 seconds */
376 static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB)
378 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
381 for (i = 0; i < 2000; i++) {
382 if (readl(&phbcmu->outbound_doorbell)
383 & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
384 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
385 &phbcmu->outbound_doorbell_clear); /*clear interrupt*/
389 } /* max 20 seconds */
394 static bool arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB)
396 struct MessageUnit_D *reg = pACB->pmuD;
399 for (i = 0; i < 2000; i++) {
400 if (readl(reg->outbound_doorbell)
401 & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
402 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
403 reg->outbound_doorbell);
407 } /* max 20 seconds */
411 static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb)
413 struct MessageUnit_A __iomem *reg = acb->pmuA;
414 int retry_count = 30;
415 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
417 if (arcmsr_hbaA_wait_msgint_ready(acb))
421 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
422 timeout, retry count down = %d \n", acb->host->host_no, retry_count);
424 } while (retry_count != 0);
427 static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb)
429 struct MessageUnit_B *reg = acb->pmuB;
430 int retry_count = 30;
431 writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
433 if (arcmsr_hbaB_wait_msgint_ready(acb))
437 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
438 timeout,retry count down = %d \n", acb->host->host_no, retry_count);
440 } while (retry_count != 0);
443 static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
445 struct MessageUnit_C __iomem *reg = pACB->pmuC;
446 int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
447 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
448 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
450 if (arcmsr_hbaC_wait_msgint_ready(pACB)) {
454 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
455 timeout,retry count down = %d \n", pACB->host->host_no, retry_count);
457 } while (retry_count != 0);
461 static void arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB)
463 int retry_count = 15;
464 struct MessageUnit_D *reg = pACB->pmuD;
466 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, reg->inbound_msgaddr0);
468 if (arcmsr_hbaD_wait_msgint_ready(pACB))
472 pr_notice("arcmsr%d: wait 'flush adapter "
473 "cache' timeout, retry count down = %d\n",
474 pACB->host->host_no, retry_count);
475 } while (retry_count != 0);
478 static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
480 switch (acb->adapter_type) {
482 case ACB_ADAPTER_TYPE_A: {
483 arcmsr_hbaA_flush_cache(acb);
487 case ACB_ADAPTER_TYPE_B: {
488 arcmsr_hbaB_flush_cache(acb);
491 case ACB_ADAPTER_TYPE_C: {
492 arcmsr_hbaC_flush_cache(acb);
495 case ACB_ADAPTER_TYPE_D:
496 arcmsr_hbaD_flush_cache(acb);
501 static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb)
505 dma_addr_t dma_coherent_handle;
506 struct pci_dev *pdev = acb->pdev;
508 switch (acb->adapter_type) {
509 case ACB_ADAPTER_TYPE_B: {
510 struct MessageUnit_B *reg;
511 acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_B), 32);
512 dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->roundup_ccbsize,
513 &dma_coherent_handle, GFP_KERNEL);
515 pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);
518 acb->dma_coherent_handle2 = dma_coherent_handle;
519 acb->dma_coherent2 = dma_coherent;
520 reg = (struct MessageUnit_B *)dma_coherent;
522 if (acb->pdev->device == PCI_DEVICE_ID_ARECA_1203) {
523 reg->drv2iop_doorbell = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_1203);
524 reg->drv2iop_doorbell_mask = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK_1203);
525 reg->iop2drv_doorbell = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_1203);
526 reg->iop2drv_doorbell_mask = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_MASK_1203);
528 reg->drv2iop_doorbell = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL);
529 reg->drv2iop_doorbell_mask = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK);
530 reg->iop2drv_doorbell = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL);
531 reg->iop2drv_doorbell_mask = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_MASK);
533 reg->message_wbuffer = MEM_BASE1(ARCMSR_MESSAGE_WBUFFER);
534 reg->message_rbuffer = MEM_BASE1(ARCMSR_MESSAGE_RBUFFER);
535 reg->message_rwbuffer = MEM_BASE1(ARCMSR_MESSAGE_RWBUFFER);
538 case ACB_ADAPTER_TYPE_D: {
539 struct MessageUnit_D *reg;
541 acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_D), 32);
542 dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->roundup_ccbsize,
543 &dma_coherent_handle, GFP_KERNEL);
545 pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);
548 acb->dma_coherent_handle2 = dma_coherent_handle;
549 acb->dma_coherent2 = dma_coherent;
550 reg = (struct MessageUnit_D *)dma_coherent;
552 reg->chip_id = MEM_BASE0(ARCMSR_ARC1214_CHIP_ID);
553 reg->cpu_mem_config = MEM_BASE0(ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION);
554 reg->i2o_host_interrupt_mask = MEM_BASE0(ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK);
555 reg->sample_at_reset = MEM_BASE0(ARCMSR_ARC1214_SAMPLE_RESET);
556 reg->reset_request = MEM_BASE0(ARCMSR_ARC1214_RESET_REQUEST);
557 reg->host_int_status = MEM_BASE0(ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS);
558 reg->pcief0_int_enable = MEM_BASE0(ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE);
559 reg->inbound_msgaddr0 = MEM_BASE0(ARCMSR_ARC1214_INBOUND_MESSAGE0);
560 reg->inbound_msgaddr1 = MEM_BASE0(ARCMSR_ARC1214_INBOUND_MESSAGE1);
561 reg->outbound_msgaddr0 = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_MESSAGE0);
562 reg->outbound_msgaddr1 = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_MESSAGE1);
563 reg->inbound_doorbell = MEM_BASE0(ARCMSR_ARC1214_INBOUND_DOORBELL);
564 reg->outbound_doorbell = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_DOORBELL);
565 reg->outbound_doorbell_enable = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE);
566 reg->inboundlist_base_low = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW);
567 reg->inboundlist_base_high = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH);
568 reg->inboundlist_write_pointer = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER);
569 reg->outboundlist_base_low = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW);
570 reg->outboundlist_base_high = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH);
571 reg->outboundlist_copy_pointer = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER);
572 reg->outboundlist_read_pointer = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER);
573 reg->outboundlist_interrupt_cause = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE);
574 reg->outboundlist_interrupt_enable = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE);
575 reg->message_wbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_WBUFFER);
576 reg->message_rbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RBUFFER);
577 reg->msgcode_rwbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RWBUFFER);
586 static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
588 struct pci_dev *pdev = acb->pdev;
590 dma_addr_t dma_coherent_handle;
591 struct CommandControlBlock *ccb_tmp;
593 dma_addr_t cdb_phyaddr;
594 unsigned long roundup_ccbsize;
595 unsigned long max_xfer_len;
596 unsigned long max_sg_entrys;
597 uint32_t firm_config_version;
599 for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
600 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
601 acb->devstate[i][j] = ARECA_RAID_GONE;
603 max_xfer_len = ARCMSR_MAX_XFER_LEN;
604 max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
605 firm_config_version = acb->firm_cfg_version;
606 if((firm_config_version & 0xFF) >= 3){
607 max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */
608 max_sg_entrys = (max_xfer_len/4096);
610 acb->host->max_sectors = max_xfer_len/512;
611 acb->host->sg_tablesize = max_sg_entrys;
612 roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
613 acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
614 dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
616 printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no);
619 acb->dma_coherent = dma_coherent;
620 acb->dma_coherent_handle = dma_coherent_handle;
621 memset(dma_coherent, 0, acb->uncache_size);
622 ccb_tmp = dma_coherent;
623 acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
624 for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
625 cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
626 switch (acb->adapter_type) {
627 case ACB_ADAPTER_TYPE_A:
628 case ACB_ADAPTER_TYPE_B:
629 ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
631 case ACB_ADAPTER_TYPE_C:
632 case ACB_ADAPTER_TYPE_D:
633 ccb_tmp->cdb_phyaddr = cdb_phyaddr;
636 acb->pccb_pool[i] = ccb_tmp;
638 INIT_LIST_HEAD(&ccb_tmp->list);
639 list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
640 ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
641 dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
646 static void arcmsr_message_isr_bh_fn(struct work_struct *work)
648 struct AdapterControlBlock *acb = container_of(work,
649 struct AdapterControlBlock, arcmsr_do_message_isr_bh);
650 char *acb_dev_map = (char *)acb->device_map;
651 uint32_t __iomem *signature = NULL;
652 char __iomem *devicemap = NULL;
654 struct scsi_device *psdev;
657 switch (acb->adapter_type) {
658 case ACB_ADAPTER_TYPE_A: {
659 struct MessageUnit_A __iomem *reg = acb->pmuA;
661 signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
662 devicemap = (char __iomem *)(®->message_rwbuffer[21]);
665 case ACB_ADAPTER_TYPE_B: {
666 struct MessageUnit_B *reg = acb->pmuB;
668 signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
669 devicemap = (char __iomem *)(®->message_rwbuffer[21]);
672 case ACB_ADAPTER_TYPE_C: {
673 struct MessageUnit_C __iomem *reg = acb->pmuC;
675 signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
676 devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
679 case ACB_ADAPTER_TYPE_D: {
680 struct MessageUnit_D *reg = acb->pmuD;
682 signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
683 devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
687 atomic_inc(&acb->rq_map_token);
688 if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG)
690 for (target = 0; target < ARCMSR_MAX_TARGETID - 1;
692 temp = readb(devicemap);
693 diff = (*acb_dev_map) ^ temp;
696 for (lun = 0; lun < ARCMSR_MAX_TARGETLUN;
698 if ((diff & 0x01) == 1 &&
699 (temp & 0x01) == 1) {
700 scsi_add_device(acb->host,
702 } else if ((diff & 0x01) == 1
703 && (temp & 0x01) == 0) {
704 psdev = scsi_device_lookup(acb->host,
707 scsi_remove_device(psdev);
708 scsi_device_put(psdev);
721 arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb)
726 nvec = pci_alloc_irq_vectors(pdev, 1, ARCMST_NUM_MSIX_VECTORS,
729 pr_info("arcmsr%d: msi-x enabled\n", acb->host->host_no);
732 nvec = pci_alloc_irq_vectors(pdev, 1, 1,
733 PCI_IRQ_MSI | PCI_IRQ_LEGACY);
740 acb->vector_count = nvec;
741 for (i = 0; i < nvec; i++) {
742 if (request_irq(pci_irq_vector(pdev, i), arcmsr_do_interrupt,
743 flags, "arcmsr", acb)) {
744 pr_warn("arcmsr%d: request_irq =%d failed!\n",
745 acb->host->host_no, pci_irq_vector(pdev, i));
753 free_irq(pci_irq_vector(pdev, i), acb);
754 pci_free_irq_vectors(pdev);
758 static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
760 struct Scsi_Host *host;
761 struct AdapterControlBlock *acb;
764 error = pci_enable_device(pdev);
768 host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
770 goto pci_disable_dev;
772 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
774 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
777 "scsi%d: No suitable DMA mask available\n",
779 goto scsi_host_release;
782 init_waitqueue_head(&wait_q);
783 bus = pdev->bus->number;
784 dev_fun = pdev->devfn;
785 acb = (struct AdapterControlBlock *) host->hostdata;
786 memset(acb,0,sizeof(struct AdapterControlBlock));
789 host->max_lun = ARCMSR_MAX_TARGETLUN;
790 host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/
791 host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/
792 host->can_queue = ARCMSR_MAX_OUTSTANDING_CMD;
793 host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
794 host->this_id = ARCMSR_SCSI_INITIATOR_ID;
795 host->unique_id = (bus << 8) | dev_fun;
796 pci_set_drvdata(pdev, host);
797 pci_set_master(pdev);
798 error = pci_request_regions(pdev, "arcmsr");
800 goto scsi_host_release;
802 spin_lock_init(&acb->eh_lock);
803 spin_lock_init(&acb->ccblist_lock);
804 spin_lock_init(&acb->postq_lock);
805 spin_lock_init(&acb->doneq_lock);
806 spin_lock_init(&acb->rqbuffer_lock);
807 spin_lock_init(&acb->wqbuffer_lock);
808 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
809 ACB_F_MESSAGE_RQBUFFER_CLEARED |
810 ACB_F_MESSAGE_WQBUFFER_READED);
811 acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
812 INIT_LIST_HEAD(&acb->ccb_free_list);
813 acb->adapter_type = id->driver_data;
814 error = arcmsr_remap_pciregion(acb);
816 goto pci_release_regs;
818 error = arcmsr_alloc_io_queue(acb);
820 goto unmap_pci_region;
821 error = arcmsr_get_firmware_spec(acb);
825 error = arcmsr_alloc_ccb_pool(acb);
829 error = scsi_add_host(host, &pdev->dev);
833 if (arcmsr_request_irq(pdev, acb) == FAILED)
834 goto scsi_host_remove;
835 arcmsr_iop_init(acb);
836 INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
837 atomic_set(&acb->rq_map_token, 16);
838 atomic_set(&acb->ante_token_value, 16);
839 acb->fw_flag = FW_NORMAL;
840 init_timer(&acb->eternal_timer);
841 acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
842 acb->eternal_timer.data = (unsigned long) acb;
843 acb->eternal_timer.function = &arcmsr_request_device_map;
844 add_timer(&acb->eternal_timer);
845 if(arcmsr_alloc_sysfs_attr(acb))
847 scsi_scan_host(host);
850 del_timer_sync(&acb->eternal_timer);
851 flush_work(&acb->arcmsr_do_message_isr_bh);
852 arcmsr_stop_adapter_bgrb(acb);
853 arcmsr_flush_adapter_cache(acb);
854 arcmsr_free_irq(pdev, acb);
856 scsi_remove_host(host);
858 arcmsr_free_ccb_pool(acb);
862 arcmsr_unmap_pciregion(acb);
864 pci_release_regions(pdev);
868 pci_disable_device(pdev);
872 static void arcmsr_free_irq(struct pci_dev *pdev,
873 struct AdapterControlBlock *acb)
877 for (i = 0; i < acb->vector_count; i++)
878 free_irq(pci_irq_vector(pdev, i), acb);
879 pci_free_irq_vectors(pdev);
882 static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state)
884 uint32_t intmask_org;
885 struct Scsi_Host *host = pci_get_drvdata(pdev);
886 struct AdapterControlBlock *acb =
887 (struct AdapterControlBlock *)host->hostdata;
889 intmask_org = arcmsr_disable_outbound_ints(acb);
890 arcmsr_free_irq(pdev, acb);
891 del_timer_sync(&acb->eternal_timer);
892 flush_work(&acb->arcmsr_do_message_isr_bh);
893 arcmsr_stop_adapter_bgrb(acb);
894 arcmsr_flush_adapter_cache(acb);
895 pci_set_drvdata(pdev, host);
896 pci_save_state(pdev);
897 pci_disable_device(pdev);
898 pci_set_power_state(pdev, pci_choose_state(pdev, state));
902 static int arcmsr_resume(struct pci_dev *pdev)
905 struct Scsi_Host *host = pci_get_drvdata(pdev);
906 struct AdapterControlBlock *acb =
907 (struct AdapterControlBlock *)host->hostdata;
909 pci_set_power_state(pdev, PCI_D0);
910 pci_enable_wake(pdev, PCI_D0, 0);
911 pci_restore_state(pdev);
912 if (pci_enable_device(pdev)) {
913 pr_warn("%s: pci_enable_device error\n", __func__);
916 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
918 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
920 pr_warn("scsi%d: No suitable DMA mask available\n",
922 goto controller_unregister;
925 pci_set_master(pdev);
926 if (arcmsr_request_irq(pdev, acb) == FAILED)
927 goto controller_stop;
928 arcmsr_iop_init(acb);
929 INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
930 atomic_set(&acb->rq_map_token, 16);
931 atomic_set(&acb->ante_token_value, 16);
932 acb->fw_flag = FW_NORMAL;
933 init_timer(&acb->eternal_timer);
934 acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
935 acb->eternal_timer.data = (unsigned long) acb;
936 acb->eternal_timer.function = &arcmsr_request_device_map;
937 add_timer(&acb->eternal_timer);
940 arcmsr_stop_adapter_bgrb(acb);
941 arcmsr_flush_adapter_cache(acb);
942 controller_unregister:
943 scsi_remove_host(host);
944 arcmsr_free_ccb_pool(acb);
945 arcmsr_unmap_pciregion(acb);
946 pci_release_regions(pdev);
948 pci_disable_device(pdev);
952 static uint8_t arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb)
954 struct MessageUnit_A __iomem *reg = acb->pmuA;
955 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
956 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
958 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
959 , acb->host->host_no);
965 static uint8_t arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb)
967 struct MessageUnit_B *reg = acb->pmuB;
969 writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
970 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
972 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
973 , acb->host->host_no);
978 static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB)
980 struct MessageUnit_C __iomem *reg = pACB->pmuC;
981 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
982 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
983 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
985 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
986 , pACB->host->host_no);
992 static uint8_t arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB)
994 struct MessageUnit_D *reg = pACB->pmuD;
996 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, reg->inbound_msgaddr0);
997 if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
998 pr_notice("arcmsr%d: wait 'abort all outstanding "
999 "command' timeout\n", pACB->host->host_no);
1005 static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
1008 switch (acb->adapter_type) {
1009 case ACB_ADAPTER_TYPE_A: {
1010 rtnval = arcmsr_hbaA_abort_allcmd(acb);
1014 case ACB_ADAPTER_TYPE_B: {
1015 rtnval = arcmsr_hbaB_abort_allcmd(acb);
1019 case ACB_ADAPTER_TYPE_C: {
1020 rtnval = arcmsr_hbaC_abort_allcmd(acb);
1024 case ACB_ADAPTER_TYPE_D:
1025 rtnval = arcmsr_hbaD_abort_allcmd(acb);
1031 static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
1033 struct scsi_cmnd *pcmd = ccb->pcmd;
1035 scsi_dma_unmap(pcmd);
1038 static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
1040 struct AdapterControlBlock *acb = ccb->acb;
1041 struct scsi_cmnd *pcmd = ccb->pcmd;
1042 unsigned long flags;
1043 atomic_dec(&acb->ccboutstandingcount);
1044 arcmsr_pci_unmap_dma(ccb);
1045 ccb->startdone = ARCMSR_CCB_DONE;
1046 spin_lock_irqsave(&acb->ccblist_lock, flags);
1047 list_add_tail(&ccb->list, &acb->ccb_free_list);
1048 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
1049 pcmd->scsi_done(pcmd);
1052 static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
1055 struct scsi_cmnd *pcmd = ccb->pcmd;
1056 struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
1057 pcmd->result = DID_OK << 16;
1059 int sense_data_length =
1060 sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE
1061 ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE;
1062 memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE);
1063 memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length);
1064 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
1065 sensebuffer->Valid = 1;
1069 static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
1072 switch (acb->adapter_type) {
1073 case ACB_ADAPTER_TYPE_A : {
1074 struct MessageUnit_A __iomem *reg = acb->pmuA;
1075 orig_mask = readl(®->outbound_intmask);
1076 writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
1077 ®->outbound_intmask);
1080 case ACB_ADAPTER_TYPE_B : {
1081 struct MessageUnit_B *reg = acb->pmuB;
1082 orig_mask = readl(reg->iop2drv_doorbell_mask);
1083 writel(0, reg->iop2drv_doorbell_mask);
1086 case ACB_ADAPTER_TYPE_C:{
1087 struct MessageUnit_C __iomem *reg = acb->pmuC;
1088 /* disable all outbound interrupt */
1089 orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */
1090 writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
1093 case ACB_ADAPTER_TYPE_D: {
1094 struct MessageUnit_D *reg = acb->pmuD;
1095 /* disable all outbound interrupt */
1096 writel(ARCMSR_ARC1214_ALL_INT_DISABLE, reg->pcief0_int_enable);
1103 static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
1104 struct CommandControlBlock *ccb, bool error)
1107 id = ccb->pcmd->device->id;
1108 lun = ccb->pcmd->device->lun;
1110 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1111 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1112 ccb->pcmd->result = DID_OK << 16;
1113 arcmsr_ccb_complete(ccb);
1115 switch (ccb->arcmsr_cdb.DeviceStatus) {
1116 case ARCMSR_DEV_SELECT_TIMEOUT: {
1117 acb->devstate[id][lun] = ARECA_RAID_GONE;
1118 ccb->pcmd->result = DID_NO_CONNECT << 16;
1119 arcmsr_ccb_complete(ccb);
1123 case ARCMSR_DEV_ABORTED:
1125 case ARCMSR_DEV_INIT_FAIL: {
1126 acb->devstate[id][lun] = ARECA_RAID_GONE;
1127 ccb->pcmd->result = DID_BAD_TARGET << 16;
1128 arcmsr_ccb_complete(ccb);
1132 case ARCMSR_DEV_CHECK_CONDITION: {
1133 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1134 arcmsr_report_sense_info(ccb);
1135 arcmsr_ccb_complete(ccb);
1141 "arcmsr%d: scsi id = %d lun = %d isr get command error done, \
1142 but got unknown DeviceStatus = 0x%x \n"
1143 , acb->host->host_no
1146 , ccb->arcmsr_cdb.DeviceStatus);
1147 acb->devstate[id][lun] = ARECA_RAID_GONE;
1148 ccb->pcmd->result = DID_NO_CONNECT << 16;
1149 arcmsr_ccb_complete(ccb);
1155 static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
1158 if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
1159 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
1160 struct scsi_cmnd *abortcmd = pCCB->pcmd;
1162 id = abortcmd->device->id;
1163 lun = abortcmd->device->lun;
1164 abortcmd->result |= DID_ABORT << 16;
1165 arcmsr_ccb_complete(pCCB);
1166 printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n",
1167 acb->host->host_no, pCCB);
1171 printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
1173 "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
1174 " ccboutstandingcount = %d \n"
1175 , acb->host->host_no
1180 , atomic_read(&acb->ccboutstandingcount));
1183 arcmsr_report_ccb_state(acb, pCCB, error);
1186 static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
1189 uint32_t flag_ccb, ccb_cdb_phy;
1190 struct ARCMSR_CDB *pARCMSR_CDB;
1192 struct CommandControlBlock *pCCB;
1193 switch (acb->adapter_type) {
1195 case ACB_ADAPTER_TYPE_A: {
1196 struct MessageUnit_A __iomem *reg = acb->pmuA;
1197 uint32_t outbound_intstatus;
1198 outbound_intstatus = readl(®->outbound_intstatus) &
1199 acb->outbound_int_enable;
1200 /*clear and abort all outbound posted Q*/
1201 writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
1202 while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF)
1203 && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
1204 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
1205 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1206 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
1207 arcmsr_drain_donequeue(acb, pCCB, error);
1212 case ACB_ADAPTER_TYPE_B: {
1213 struct MessageUnit_B *reg = acb->pmuB;
1214 /*clear all outbound posted Q*/
1215 writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */
1216 for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
1217 flag_ccb = reg->done_qbuffer[i];
1218 if (flag_ccb != 0) {
1219 reg->done_qbuffer[i] = 0;
1220 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
1221 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1222 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
1223 arcmsr_drain_donequeue(acb, pCCB, error);
1225 reg->post_qbuffer[i] = 0;
1227 reg->doneq_index = 0;
1228 reg->postq_index = 0;
1231 case ACB_ADAPTER_TYPE_C: {
1232 struct MessageUnit_C __iomem *reg = acb->pmuC;
1233 while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
1235 flag_ccb = readl(®->outbound_queueport_low);
1236 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
1237 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
1238 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1239 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
1240 arcmsr_drain_donequeue(acb, pCCB, error);
1244 case ACB_ADAPTER_TYPE_D: {
1245 struct MessageUnit_D *pmu = acb->pmuD;
1246 uint32_t outbound_write_pointer;
1247 uint32_t doneq_index, index_stripped, addressLow, residual, toggle;
1248 unsigned long flags;
1250 residual = atomic_read(&acb->ccboutstandingcount);
1251 for (i = 0; i < residual; i++) {
1252 spin_lock_irqsave(&acb->doneq_lock, flags);
1253 outbound_write_pointer =
1254 pmu->done_qbuffer[0].addressLow + 1;
1255 doneq_index = pmu->doneq_index;
1256 if ((doneq_index & 0xFFF) !=
1257 (outbound_write_pointer & 0xFFF)) {
1258 toggle = doneq_index & 0x4000;
1259 index_stripped = (doneq_index & 0xFFF) + 1;
1260 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
1261 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
1262 ((toggle ^ 0x4000) + 1);
1263 doneq_index = pmu->doneq_index;
1264 spin_unlock_irqrestore(&acb->doneq_lock, flags);
1265 addressLow = pmu->done_qbuffer[doneq_index &
1267 ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
1268 pARCMSR_CDB = (struct ARCMSR_CDB *)
1269 (acb->vir2phy_offset + ccb_cdb_phy);
1270 pCCB = container_of(pARCMSR_CDB,
1271 struct CommandControlBlock, arcmsr_cdb);
1272 error = (addressLow &
1273 ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ?
1275 arcmsr_drain_donequeue(acb, pCCB, error);
1277 pmu->outboundlist_read_pointer);
1279 spin_unlock_irqrestore(&acb->doneq_lock, flags);
1283 pmu->postq_index = 0;
1284 pmu->doneq_index = 0x40FF;
1290 static void arcmsr_remove(struct pci_dev *pdev)
1292 struct Scsi_Host *host = pci_get_drvdata(pdev);
1293 struct AdapterControlBlock *acb =
1294 (struct AdapterControlBlock *) host->hostdata;
1296 arcmsr_free_sysfs_attr(acb);
1297 scsi_remove_host(host);
1298 flush_work(&acb->arcmsr_do_message_isr_bh);
1299 del_timer_sync(&acb->eternal_timer);
1300 arcmsr_disable_outbound_ints(acb);
1301 arcmsr_stop_adapter_bgrb(acb);
1302 arcmsr_flush_adapter_cache(acb);
1303 acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
1304 acb->acb_flags &= ~ACB_F_IOP_INITED;
1306 for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){
1307 if (!atomic_read(&acb->ccboutstandingcount))
1309 arcmsr_interrupt(acb);/* FIXME: need spinlock */
1313 if (atomic_read(&acb->ccboutstandingcount)) {
1316 arcmsr_abort_allcmd(acb);
1317 arcmsr_done4abort_postqueue(acb);
1318 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
1319 struct CommandControlBlock *ccb = acb->pccb_pool[i];
1320 if (ccb->startdone == ARCMSR_CCB_START) {
1321 ccb->startdone = ARCMSR_CCB_ABORTED;
1322 ccb->pcmd->result = DID_ABORT << 16;
1323 arcmsr_ccb_complete(ccb);
1327 arcmsr_free_irq(pdev, acb);
1328 arcmsr_free_ccb_pool(acb);
1329 arcmsr_free_mu(acb);
1330 arcmsr_unmap_pciregion(acb);
1331 pci_release_regions(pdev);
1332 scsi_host_put(host);
1333 pci_disable_device(pdev);
1336 static void arcmsr_shutdown(struct pci_dev *pdev)
1338 struct Scsi_Host *host = pci_get_drvdata(pdev);
1339 struct AdapterControlBlock *acb =
1340 (struct AdapterControlBlock *)host->hostdata;
1341 del_timer_sync(&acb->eternal_timer);
1342 arcmsr_disable_outbound_ints(acb);
1343 arcmsr_free_irq(pdev, acb);
1344 flush_work(&acb->arcmsr_do_message_isr_bh);
1345 arcmsr_stop_adapter_bgrb(acb);
1346 arcmsr_flush_adapter_cache(acb);
1349 static int arcmsr_module_init(void)
1352 error = pci_register_driver(&arcmsr_pci_driver);
1356 static void arcmsr_module_exit(void)
1358 pci_unregister_driver(&arcmsr_pci_driver);
1360 module_init(arcmsr_module_init);
1361 module_exit(arcmsr_module_exit);
1363 static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
1367 switch (acb->adapter_type) {
1369 case ACB_ADAPTER_TYPE_A: {
1370 struct MessageUnit_A __iomem *reg = acb->pmuA;
1371 mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
1372 ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
1373 ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
1374 writel(mask, ®->outbound_intmask);
1375 acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
1379 case ACB_ADAPTER_TYPE_B: {
1380 struct MessageUnit_B *reg = acb->pmuB;
1381 mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
1382 ARCMSR_IOP2DRV_DATA_READ_OK |
1383 ARCMSR_IOP2DRV_CDB_DONE |
1384 ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
1385 writel(mask, reg->iop2drv_doorbell_mask);
1386 acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
1389 case ACB_ADAPTER_TYPE_C: {
1390 struct MessageUnit_C __iomem *reg = acb->pmuC;
1391 mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
1392 writel(intmask_org & mask, ®->host_int_mask);
1393 acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
1396 case ACB_ADAPTER_TYPE_D: {
1397 struct MessageUnit_D *reg = acb->pmuD;
1399 mask = ARCMSR_ARC1214_ALL_INT_ENABLE;
1400 writel(intmask_org | mask, reg->pcief0_int_enable);
1406 static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
1407 struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd)
1409 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
1410 int8_t *psge = (int8_t *)&arcmsr_cdb->u;
1411 __le32 address_lo, address_hi;
1412 int arccdbsize = 0x30;
1415 struct scatterlist *sg;
1418 memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
1419 arcmsr_cdb->TargetID = pcmd->device->id;
1420 arcmsr_cdb->LUN = pcmd->device->lun;
1421 arcmsr_cdb->Function = 1;
1422 arcmsr_cdb->msgContext = 0;
1423 memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
1425 nseg = scsi_dma_map(pcmd);
1426 if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
1428 scsi_for_each_sg(pcmd, sg, nseg, i) {
1429 /* Get the physical address of the current data pointer */
1430 length = cpu_to_le32(sg_dma_len(sg));
1431 address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
1432 address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
1433 if (address_hi == 0) {
1434 struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
1436 pdma_sg->address = address_lo;
1437 pdma_sg->length = length;
1438 psge += sizeof (struct SG32ENTRY);
1439 arccdbsize += sizeof (struct SG32ENTRY);
1441 struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
1443 pdma_sg->addresshigh = address_hi;
1444 pdma_sg->address = address_lo;
1445 pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR);
1446 psge += sizeof (struct SG64ENTRY);
1447 arccdbsize += sizeof (struct SG64ENTRY);
1450 arcmsr_cdb->sgcount = (uint8_t)nseg;
1451 arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
1452 arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
1453 if ( arccdbsize > 256)
1454 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
1455 if (pcmd->sc_data_direction == DMA_TO_DEVICE)
1456 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
1457 ccb->arc_cdb_size = arccdbsize;
1461 static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
1463 uint32_t cdb_phyaddr = ccb->cdb_phyaddr;
1464 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
1465 atomic_inc(&acb->ccboutstandingcount);
1466 ccb->startdone = ARCMSR_CCB_START;
1467 switch (acb->adapter_type) {
1468 case ACB_ADAPTER_TYPE_A: {
1469 struct MessageUnit_A __iomem *reg = acb->pmuA;
1471 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
1472 writel(cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
1473 ®->inbound_queueport);
1475 writel(cdb_phyaddr, ®->inbound_queueport);
1479 case ACB_ADAPTER_TYPE_B: {
1480 struct MessageUnit_B *reg = acb->pmuB;
1481 uint32_t ending_index, index = reg->postq_index;
1483 ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
1484 reg->post_qbuffer[ending_index] = 0;
1485 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
1486 reg->post_qbuffer[index] =
1487 cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE;
1489 reg->post_qbuffer[index] = cdb_phyaddr;
1492 index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
1493 reg->postq_index = index;
1494 writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
1497 case ACB_ADAPTER_TYPE_C: {
1498 struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
1499 uint32_t ccb_post_stamp, arc_cdb_size;
1501 arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
1502 ccb_post_stamp = (cdb_phyaddr | ((arc_cdb_size - 1) >> 6) | 1);
1503 if (acb->cdb_phyaddr_hi32) {
1504 writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high);
1505 writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
1507 writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
1511 case ACB_ADAPTER_TYPE_D: {
1512 struct MessageUnit_D *pmu = acb->pmuD;
1514 u16 postq_index, toggle;
1515 unsigned long flags;
1516 struct InBound_SRB *pinbound_srb;
1518 spin_lock_irqsave(&acb->postq_lock, flags);
1519 postq_index = pmu->postq_index;
1520 pinbound_srb = (struct InBound_SRB *)&(pmu->post_qbuffer[postq_index & 0xFF]);
1521 pinbound_srb->addressHigh = dma_addr_hi32(cdb_phyaddr);
1522 pinbound_srb->addressLow = dma_addr_lo32(cdb_phyaddr);
1523 pinbound_srb->length = ccb->arc_cdb_size >> 2;
1524 arcmsr_cdb->msgContext = dma_addr_lo32(cdb_phyaddr);
1525 toggle = postq_index & 0x4000;
1526 index_stripped = postq_index + 1;
1527 index_stripped &= (ARCMSR_MAX_ARC1214_POSTQUEUE - 1);
1528 pmu->postq_index = index_stripped ? (index_stripped | toggle) :
1530 writel(postq_index, pmu->inboundlist_write_pointer);
1531 spin_unlock_irqrestore(&acb->postq_lock, flags);
1537 static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb)
1539 struct MessageUnit_A __iomem *reg = acb->pmuA;
1540 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1541 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
1542 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
1544 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1545 , acb->host->host_no);
1549 static void arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb)
1551 struct MessageUnit_B *reg = acb->pmuB;
1552 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1553 writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
1555 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
1557 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1558 , acb->host->host_no);
1562 static void arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB)
1564 struct MessageUnit_C __iomem *reg = pACB->pmuC;
1565 pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
1566 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
1567 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
1568 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
1570 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1571 , pACB->host->host_no);
1576 static void arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB)
1578 struct MessageUnit_D *reg = pACB->pmuD;
1580 pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
1581 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, reg->inbound_msgaddr0);
1582 if (!arcmsr_hbaD_wait_msgint_ready(pACB))
1583 pr_notice("arcmsr%d: wait 'stop adapter background rebulid' "
1584 "timeout\n", pACB->host->host_no);
1587 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
1589 switch (acb->adapter_type) {
1590 case ACB_ADAPTER_TYPE_A: {
1591 arcmsr_hbaA_stop_bgrb(acb);
1595 case ACB_ADAPTER_TYPE_B: {
1596 arcmsr_hbaB_stop_bgrb(acb);
1599 case ACB_ADAPTER_TYPE_C: {
1600 arcmsr_hbaC_stop_bgrb(acb);
1603 case ACB_ADAPTER_TYPE_D:
1604 arcmsr_hbaD_stop_bgrb(acb);
1609 static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
1611 dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
1614 static void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
1616 switch (acb->adapter_type) {
1617 case ACB_ADAPTER_TYPE_A: {
1618 struct MessageUnit_A __iomem *reg = acb->pmuA;
1619 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
1623 case ACB_ADAPTER_TYPE_B: {
1624 struct MessageUnit_B *reg = acb->pmuB;
1625 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
1628 case ACB_ADAPTER_TYPE_C: {
1629 struct MessageUnit_C __iomem *reg = acb->pmuC;
1631 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
1634 case ACB_ADAPTER_TYPE_D: {
1635 struct MessageUnit_D *reg = acb->pmuD;
1636 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
1637 reg->inbound_doorbell);
1643 static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
1645 switch (acb->adapter_type) {
1646 case ACB_ADAPTER_TYPE_A: {
1647 struct MessageUnit_A __iomem *reg = acb->pmuA;
1649 ** push inbound doorbell tell iop, driver data write ok
1650 ** and wait reply on next hwinterrupt for next Qbuffer post
1652 writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell);
1656 case ACB_ADAPTER_TYPE_B: {
1657 struct MessageUnit_B *reg = acb->pmuB;
1659 ** push inbound doorbell tell iop, driver data write ok
1660 ** and wait reply on next hwinterrupt for next Qbuffer post
1662 writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
1665 case ACB_ADAPTER_TYPE_C: {
1666 struct MessageUnit_C __iomem *reg = acb->pmuC;
1668 ** push inbound doorbell tell iop, driver data write ok
1669 ** and wait reply on next hwinterrupt for next Qbuffer post
1671 writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell);
1674 case ACB_ADAPTER_TYPE_D: {
1675 struct MessageUnit_D *reg = acb->pmuD;
1676 writel(ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY,
1677 reg->inbound_doorbell);
1683 struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
1685 struct QBUFFER __iomem *qbuffer = NULL;
1686 switch (acb->adapter_type) {
1688 case ACB_ADAPTER_TYPE_A: {
1689 struct MessageUnit_A __iomem *reg = acb->pmuA;
1690 qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer;
1694 case ACB_ADAPTER_TYPE_B: {
1695 struct MessageUnit_B *reg = acb->pmuB;
1696 qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
1699 case ACB_ADAPTER_TYPE_C: {
1700 struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
1701 qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
1704 case ACB_ADAPTER_TYPE_D: {
1705 struct MessageUnit_D *reg = acb->pmuD;
1706 qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
1713 static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
1715 struct QBUFFER __iomem *pqbuffer = NULL;
1716 switch (acb->adapter_type) {
1718 case ACB_ADAPTER_TYPE_A: {
1719 struct MessageUnit_A __iomem *reg = acb->pmuA;
1720 pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer;
1724 case ACB_ADAPTER_TYPE_B: {
1725 struct MessageUnit_B *reg = acb->pmuB;
1726 pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
1729 case ACB_ADAPTER_TYPE_C: {
1730 struct MessageUnit_C __iomem *reg = acb->pmuC;
1731 pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
1734 case ACB_ADAPTER_TYPE_D: {
1735 struct MessageUnit_D *reg = acb->pmuD;
1736 pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
1744 arcmsr_Read_iop_rqbuffer_in_DWORD(struct AdapterControlBlock *acb,
1745 struct QBUFFER __iomem *prbuffer)
1748 uint8_t *buf1 = NULL;
1749 uint32_t __iomem *iop_data;
1750 uint32_t iop_len, data_len, *buf2 = NULL;
1752 iop_data = (uint32_t __iomem *)prbuffer->data;
1753 iop_len = readl(&prbuffer->data_len);
1755 buf1 = kmalloc(128, GFP_ATOMIC);
1756 buf2 = (uint32_t *)buf1;
1760 while (data_len >= 4) {
1761 *buf2++ = readl(iop_data);
1766 *buf2 = readl(iop_data);
1767 buf2 = (uint32_t *)buf1;
1769 while (iop_len > 0) {
1770 pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex];
1772 acb->rqbuf_putIndex++;
1773 /* if last, index number set it to 0 */
1774 acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
1779 /* let IOP know data has been read */
1780 arcmsr_iop_message_read(acb);
1785 arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb,
1786 struct QBUFFER __iomem *prbuffer) {
1789 uint8_t __iomem *iop_data;
1792 if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D))
1793 return arcmsr_Read_iop_rqbuffer_in_DWORD(acb, prbuffer);
1794 iop_data = (uint8_t __iomem *)prbuffer->data;
1795 iop_len = readl(&prbuffer->data_len);
1796 while (iop_len > 0) {
1797 pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex];
1798 *pQbuffer = readb(iop_data);
1799 acb->rqbuf_putIndex++;
1800 acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
1804 arcmsr_iop_message_read(acb);
1808 static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
1810 unsigned long flags;
1811 struct QBUFFER __iomem *prbuffer;
1812 int32_t buf_empty_len;
1814 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
1815 prbuffer = arcmsr_get_iop_rqbuffer(acb);
1816 buf_empty_len = (acb->rqbuf_putIndex - acb->rqbuf_getIndex - 1) &
1817 (ARCMSR_MAX_QBUFFER - 1);
1818 if (buf_empty_len >= readl(&prbuffer->data_len)) {
1819 if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
1820 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1822 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1823 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
1826 static void arcmsr_write_ioctldata2iop_in_DWORD(struct AdapterControlBlock *acb)
1829 struct QBUFFER __iomem *pwbuffer;
1830 uint8_t *buf1 = NULL;
1831 uint32_t __iomem *iop_data;
1832 uint32_t allxfer_len = 0, data_len, *buf2 = NULL, data;
1834 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
1835 buf1 = kmalloc(128, GFP_ATOMIC);
1836 buf2 = (uint32_t *)buf1;
1840 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1841 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1842 iop_data = (uint32_t __iomem *)pwbuffer->data;
1843 while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1844 && (allxfer_len < 124)) {
1845 pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex];
1847 acb->wqbuf_getIndex++;
1848 acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER;
1852 data_len = allxfer_len;
1853 buf1 = (uint8_t *)buf2;
1854 while (data_len >= 4) {
1856 writel(data, iop_data);
1862 writel(data, iop_data);
1864 writel(allxfer_len, &pwbuffer->data_len);
1866 arcmsr_iop_message_wrote(acb);
1871 arcmsr_write_ioctldata2iop(struct AdapterControlBlock *acb)
1874 struct QBUFFER __iomem *pwbuffer;
1875 uint8_t __iomem *iop_data;
1876 int32_t allxfer_len = 0;
1878 if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D)) {
1879 arcmsr_write_ioctldata2iop_in_DWORD(acb);
1882 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
1883 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1884 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1885 iop_data = (uint8_t __iomem *)pwbuffer->data;
1886 while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1887 && (allxfer_len < 124)) {
1888 pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex];
1889 writeb(*pQbuffer, iop_data);
1890 acb->wqbuf_getIndex++;
1891 acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER;
1895 writel(allxfer_len, &pwbuffer->data_len);
1896 arcmsr_iop_message_wrote(acb);
1900 static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
1902 unsigned long flags;
1904 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
1905 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
1906 if (acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1907 arcmsr_write_ioctldata2iop(acb);
1908 if (acb->wqbuf_getIndex == acb->wqbuf_putIndex)
1909 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
1910 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
1913 static void arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb)
1915 uint32_t outbound_doorbell;
1916 struct MessageUnit_A __iomem *reg = acb->pmuA;
1917 outbound_doorbell = readl(®->outbound_doorbell);
1919 writel(outbound_doorbell, ®->outbound_doorbell);
1920 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK)
1921 arcmsr_iop2drv_data_wrote_handle(acb);
1922 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK)
1923 arcmsr_iop2drv_data_read_handle(acb);
1924 outbound_doorbell = readl(®->outbound_doorbell);
1925 } while (outbound_doorbell & (ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK
1926 | ARCMSR_OUTBOUND_IOP331_DATA_READ_OK));
1928 static void arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB)
1930 uint32_t outbound_doorbell;
1931 struct MessageUnit_C __iomem *reg = pACB->pmuC;
1933 *******************************************************************
1934 ** Maybe here we need to check wrqbuffer_lock is lock or not
1935 ** DOORBELL: din! don!
1936 ** check if there are any mail need to pack from firmware
1937 *******************************************************************
1939 outbound_doorbell = readl(®->outbound_doorbell);
1941 writel(outbound_doorbell, ®->outbound_doorbell_clear);
1942 readl(®->outbound_doorbell_clear);
1943 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK)
1944 arcmsr_iop2drv_data_wrote_handle(pACB);
1945 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK)
1946 arcmsr_iop2drv_data_read_handle(pACB);
1947 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE)
1948 arcmsr_hbaC_message_isr(pACB);
1949 outbound_doorbell = readl(®->outbound_doorbell);
1950 } while (outbound_doorbell & (ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK
1951 | ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK
1952 | ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE));
1955 static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
1957 uint32_t outbound_doorbell;
1958 struct MessageUnit_D *pmu = pACB->pmuD;
1960 outbound_doorbell = readl(pmu->outbound_doorbell);
1962 writel(outbound_doorbell, pmu->outbound_doorbell);
1963 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE)
1964 arcmsr_hbaD_message_isr(pACB);
1965 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK)
1966 arcmsr_iop2drv_data_wrote_handle(pACB);
1967 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK)
1968 arcmsr_iop2drv_data_read_handle(pACB);
1969 outbound_doorbell = readl(pmu->outbound_doorbell);
1970 } while (outbound_doorbell & (ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK
1971 | ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK
1972 | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE));
1975 static void arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb)
1978 struct MessageUnit_A __iomem *reg = acb->pmuA;
1979 struct ARCMSR_CDB *pARCMSR_CDB;
1980 struct CommandControlBlock *pCCB;
1982 while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) {
1983 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
1984 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1985 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
1986 arcmsr_drain_donequeue(acb, pCCB, error);
1989 static void arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb)
1993 struct MessageUnit_B *reg = acb->pmuB;
1994 struct ARCMSR_CDB *pARCMSR_CDB;
1995 struct CommandControlBlock *pCCB;
1997 index = reg->doneq_index;
1998 while ((flag_ccb = reg->done_qbuffer[index]) != 0) {
1999 reg->done_qbuffer[index] = 0;
2000 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
2001 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
2002 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
2003 arcmsr_drain_donequeue(acb, pCCB, error);
2005 index %= ARCMSR_MAX_HBB_POSTQUEUE;
2006 reg->doneq_index = index;
2010 static void arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb)
2012 struct MessageUnit_C __iomem *phbcmu;
2013 struct ARCMSR_CDB *arcmsr_cdb;
2014 struct CommandControlBlock *ccb;
2015 uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
2019 /* areca cdb command done */
2020 /* Use correct offset and size for syncing */
2022 while ((flag_ccb = readl(&phbcmu->outbound_queueport_low)) !=
2024 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
2025 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
2027 ccb = container_of(arcmsr_cdb, struct CommandControlBlock,
2029 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
2031 /* check if command done with no error */
2032 arcmsr_drain_donequeue(acb, ccb, error);
2034 if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
2035 writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING,
2036 &phbcmu->inbound_doorbell);
2042 static void arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb)
2044 u32 outbound_write_pointer, doneq_index, index_stripped, toggle;
2045 uint32_t addressLow, ccb_cdb_phy;
2047 struct MessageUnit_D *pmu;
2048 struct ARCMSR_CDB *arcmsr_cdb;
2049 struct CommandControlBlock *ccb;
2050 unsigned long flags;
2052 spin_lock_irqsave(&acb->doneq_lock, flags);
2054 outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
2055 doneq_index = pmu->doneq_index;
2056 if ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) {
2058 toggle = doneq_index & 0x4000;
2059 index_stripped = (doneq_index & 0xFFF) + 1;
2060 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
2061 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
2062 ((toggle ^ 0x4000) + 1);
2063 doneq_index = pmu->doneq_index;
2064 addressLow = pmu->done_qbuffer[doneq_index &
2066 ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
2067 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
2069 ccb = container_of(arcmsr_cdb,
2070 struct CommandControlBlock, arcmsr_cdb);
2071 error = (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
2073 arcmsr_drain_donequeue(acb, ccb, error);
2074 writel(doneq_index, pmu->outboundlist_read_pointer);
2075 } while ((doneq_index & 0xFFF) !=
2076 (outbound_write_pointer & 0xFFF));
2078 writel(ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR,
2079 pmu->outboundlist_interrupt_cause);
2080 readl(pmu->outboundlist_interrupt_cause);
2081 spin_unlock_irqrestore(&acb->doneq_lock, flags);
2085 **********************************************************************************
2086 ** Handle a message interrupt
2088 ** The only message interrupt we expect is in response to a query for the current adapter config.
2089 ** We want this in order to compare the drivemap so that we can detect newly-attached drives.
2090 **********************************************************************************
2092 static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb)
2094 struct MessageUnit_A __iomem *reg = acb->pmuA;
2095 /*clear interrupt and message state*/
2096 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus);
2097 schedule_work(&acb->arcmsr_do_message_isr_bh);
2099 static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb)
2101 struct MessageUnit_B *reg = acb->pmuB;
2103 /*clear interrupt and message state*/
2104 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
2105 schedule_work(&acb->arcmsr_do_message_isr_bh);
2108 **********************************************************************************
2109 ** Handle a message interrupt
2111 ** The only message interrupt we expect is in response to a query for the
2112 ** current adapter config.
2113 ** We want this in order to compare the drivemap so that we can detect newly-attached drives.
2114 **********************************************************************************
2116 static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb)
2118 struct MessageUnit_C __iomem *reg = acb->pmuC;
2119 /*clear interrupt and message state*/
2120 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);
2121 schedule_work(&acb->arcmsr_do_message_isr_bh);
2124 static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb)
2126 struct MessageUnit_D *reg = acb->pmuD;
2128 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, reg->outbound_doorbell);
2129 readl(reg->outbound_doorbell);
2130 schedule_work(&acb->arcmsr_do_message_isr_bh);
2133 static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb)
2135 uint32_t outbound_intstatus;
2136 struct MessageUnit_A __iomem *reg = acb->pmuA;
2137 outbound_intstatus = readl(®->outbound_intstatus) &
2138 acb->outbound_int_enable;
2139 if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))
2142 writel(outbound_intstatus, ®->outbound_intstatus);
2143 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT)
2144 arcmsr_hbaA_doorbell_isr(acb);
2145 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT)
2146 arcmsr_hbaA_postqueue_isr(acb);
2147 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT)
2148 arcmsr_hbaA_message_isr(acb);
2149 outbound_intstatus = readl(®->outbound_intstatus) &
2150 acb->outbound_int_enable;
2151 } while (outbound_intstatus & (ARCMSR_MU_OUTBOUND_DOORBELL_INT
2152 | ARCMSR_MU_OUTBOUND_POSTQUEUE_INT
2153 | ARCMSR_MU_OUTBOUND_MESSAGE0_INT));
2157 static int arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb)
2159 uint32_t outbound_doorbell;
2160 struct MessageUnit_B *reg = acb->pmuB;
2161 outbound_doorbell = readl(reg->iop2drv_doorbell) &
2162 acb->outbound_int_enable;
2163 if (!outbound_doorbell)
2166 writel(~outbound_doorbell, reg->iop2drv_doorbell);
2167 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
2168 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK)
2169 arcmsr_iop2drv_data_wrote_handle(acb);
2170 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK)
2171 arcmsr_iop2drv_data_read_handle(acb);
2172 if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE)
2173 arcmsr_hbaB_postqueue_isr(acb);
2174 if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE)
2175 arcmsr_hbaB_message_isr(acb);
2176 outbound_doorbell = readl(reg->iop2drv_doorbell) &
2177 acb->outbound_int_enable;
2178 } while (outbound_doorbell & (ARCMSR_IOP2DRV_DATA_WRITE_OK
2179 | ARCMSR_IOP2DRV_DATA_READ_OK
2180 | ARCMSR_IOP2DRV_CDB_DONE
2181 | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE));
2185 static int arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB)
2187 uint32_t host_interrupt_status;
2188 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
2190 *********************************************
2191 ** check outbound intstatus
2192 *********************************************
2194 host_interrupt_status = readl(&phbcmu->host_int_status) &
2195 (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
2196 ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR);
2197 if (!host_interrupt_status)
2200 if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR)
2201 arcmsr_hbaC_doorbell_isr(pACB);
2202 /* MU post queue interrupts*/
2203 if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR)
2204 arcmsr_hbaC_postqueue_isr(pACB);
2205 host_interrupt_status = readl(&phbcmu->host_int_status);
2206 } while (host_interrupt_status & (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
2207 ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR));
2211 static irqreturn_t arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB)
2213 u32 host_interrupt_status;
2214 struct MessageUnit_D *pmu = pACB->pmuD;
2216 host_interrupt_status = readl(pmu->host_int_status) &
2217 (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
2218 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR);
2219 if (!host_interrupt_status)
2222 /* MU post queue interrupts*/
2223 if (host_interrupt_status &
2224 ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR)
2225 arcmsr_hbaD_postqueue_isr(pACB);
2226 if (host_interrupt_status &
2227 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR)
2228 arcmsr_hbaD_doorbell_isr(pACB);
2229 host_interrupt_status = readl(pmu->host_int_status);
2230 } while (host_interrupt_status &
2231 (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
2232 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR));
2236 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
2238 switch (acb->adapter_type) {
2239 case ACB_ADAPTER_TYPE_A:
2240 return arcmsr_hbaA_handle_isr(acb);
2242 case ACB_ADAPTER_TYPE_B:
2243 return arcmsr_hbaB_handle_isr(acb);
2245 case ACB_ADAPTER_TYPE_C:
2246 return arcmsr_hbaC_handle_isr(acb);
2247 case ACB_ADAPTER_TYPE_D:
2248 return arcmsr_hbaD_handle_isr(acb);
2254 static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
2257 /* stop adapter background rebuild */
2258 if (acb->acb_flags & ACB_F_MSG_START_BGRB) {
2259 uint32_t intmask_org;
2260 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
2261 intmask_org = arcmsr_disable_outbound_ints(acb);
2262 arcmsr_stop_adapter_bgrb(acb);
2263 arcmsr_flush_adapter_cache(acb);
2264 arcmsr_enable_outbound_ints(acb, intmask_org);
2270 void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *acb)
2274 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2275 for (i = 0; i < 15; i++) {
2276 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2277 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2278 acb->rqbuf_getIndex = 0;
2279 acb->rqbuf_putIndex = 0;
2280 arcmsr_iop_message_read(acb);
2282 } else if (acb->rqbuf_getIndex !=
2283 acb->rqbuf_putIndex) {
2284 acb->rqbuf_getIndex = 0;
2285 acb->rqbuf_putIndex = 0;
2293 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
2294 struct scsi_cmnd *cmd)
2297 unsigned short use_sg;
2298 int retvalue = 0, transfer_len = 0;
2299 unsigned long flags;
2300 struct CMD_MESSAGE_FIELD *pcmdmessagefld;
2301 uint32_t controlcode = (uint32_t)cmd->cmnd[5] << 24 |
2302 (uint32_t)cmd->cmnd[6] << 16 |
2303 (uint32_t)cmd->cmnd[7] << 8 |
2304 (uint32_t)cmd->cmnd[8];
2305 struct scatterlist *sg;
2307 use_sg = scsi_sg_count(cmd);
2308 sg = scsi_sglist(cmd);
2309 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2311 retvalue = ARCMSR_MESSAGE_FAIL;
2314 transfer_len += sg->length;
2315 if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
2316 retvalue = ARCMSR_MESSAGE_FAIL;
2317 pr_info("%s: ARCMSR_MESSAGE_FAIL!\n", __func__);
2320 pcmdmessagefld = (struct CMD_MESSAGE_FIELD *)buffer;
2321 switch (controlcode) {
2322 case ARCMSR_MESSAGE_READ_RQBUFFER: {
2323 unsigned char *ver_addr;
2324 uint8_t *ptmpQbuffer;
2325 uint32_t allxfer_len = 0;
2326 ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC);
2328 retvalue = ARCMSR_MESSAGE_FAIL;
2329 pr_info("%s: memory not enough!\n", __func__);
2332 ptmpQbuffer = ver_addr;
2333 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2334 if (acb->rqbuf_getIndex != acb->rqbuf_putIndex) {
2335 unsigned int tail = acb->rqbuf_getIndex;
2336 unsigned int head = acb->rqbuf_putIndex;
2337 unsigned int cnt_to_end = CIRC_CNT_TO_END(head, tail, ARCMSR_MAX_QBUFFER);
2339 allxfer_len = CIRC_CNT(head, tail, ARCMSR_MAX_QBUFFER);
2340 if (allxfer_len > ARCMSR_API_DATA_BUFLEN)
2341 allxfer_len = ARCMSR_API_DATA_BUFLEN;
2343 if (allxfer_len <= cnt_to_end)
2344 memcpy(ptmpQbuffer, acb->rqbuffer + tail, allxfer_len);
2346 memcpy(ptmpQbuffer, acb->rqbuffer + tail, cnt_to_end);
2347 memcpy(ptmpQbuffer + cnt_to_end, acb->rqbuffer, allxfer_len - cnt_to_end);
2349 acb->rqbuf_getIndex = (acb->rqbuf_getIndex + allxfer_len) % ARCMSR_MAX_QBUFFER;
2351 memcpy(pcmdmessagefld->messagedatabuffer, ver_addr,
2353 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2354 struct QBUFFER __iomem *prbuffer;
2355 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2356 prbuffer = arcmsr_get_iop_rqbuffer(acb);
2357 if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
2358 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
2360 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2362 pcmdmessagefld->cmdmessage.Length = allxfer_len;
2363 if (acb->fw_flag == FW_DEADLOCK)
2364 pcmdmessagefld->cmdmessage.ReturnCode =
2365 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2367 pcmdmessagefld->cmdmessage.ReturnCode =
2368 ARCMSR_MESSAGE_RETURNCODE_OK;
2371 case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
2372 unsigned char *ver_addr;
2375 uint8_t *pQbuffer, *ptmpuserbuffer;
2377 user_len = pcmdmessagefld->cmdmessage.Length;
2378 if (user_len > ARCMSR_API_DATA_BUFLEN) {
2379 retvalue = ARCMSR_MESSAGE_FAIL;
2383 ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC);
2385 retvalue = ARCMSR_MESSAGE_FAIL;
2388 ptmpuserbuffer = ver_addr;
2390 memcpy(ptmpuserbuffer,
2391 pcmdmessagefld->messagedatabuffer, user_len);
2392 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2393 if (acb->wqbuf_putIndex != acb->wqbuf_getIndex) {
2394 struct SENSE_DATA *sensebuffer =
2395 (struct SENSE_DATA *)cmd->sense_buffer;
2396 arcmsr_write_ioctldata2iop(acb);
2397 /* has error report sensedata */
2398 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
2399 sensebuffer->SenseKey = ILLEGAL_REQUEST;
2400 sensebuffer->AdditionalSenseLength = 0x0A;
2401 sensebuffer->AdditionalSenseCode = 0x20;
2402 sensebuffer->Valid = 1;
2403 retvalue = ARCMSR_MESSAGE_FAIL;
2405 pQbuffer = &acb->wqbuffer[acb->wqbuf_putIndex];
2406 cnt2end = ARCMSR_MAX_QBUFFER - acb->wqbuf_putIndex;
2407 if (user_len > cnt2end) {
2408 memcpy(pQbuffer, ptmpuserbuffer, cnt2end);
2409 ptmpuserbuffer += cnt2end;
2410 user_len -= cnt2end;
2411 acb->wqbuf_putIndex = 0;
2412 pQbuffer = acb->wqbuffer;
2414 memcpy(pQbuffer, ptmpuserbuffer, user_len);
2415 acb->wqbuf_putIndex += user_len;
2416 acb->wqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
2417 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
2419 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
2420 arcmsr_write_ioctldata2iop(acb);
2423 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2425 if (acb->fw_flag == FW_DEADLOCK)
2426 pcmdmessagefld->cmdmessage.ReturnCode =
2427 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2429 pcmdmessagefld->cmdmessage.ReturnCode =
2430 ARCMSR_MESSAGE_RETURNCODE_OK;
2433 case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
2434 uint8_t *pQbuffer = acb->rqbuffer;
2436 arcmsr_clear_iop2drv_rqueue_buffer(acb);
2437 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2438 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2439 acb->rqbuf_getIndex = 0;
2440 acb->rqbuf_putIndex = 0;
2441 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2442 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2443 if (acb->fw_flag == FW_DEADLOCK)
2444 pcmdmessagefld->cmdmessage.ReturnCode =
2445 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2447 pcmdmessagefld->cmdmessage.ReturnCode =
2448 ARCMSR_MESSAGE_RETURNCODE_OK;
2451 case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
2452 uint8_t *pQbuffer = acb->wqbuffer;
2453 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2454 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
2455 ACB_F_MESSAGE_WQBUFFER_READED);
2456 acb->wqbuf_getIndex = 0;
2457 acb->wqbuf_putIndex = 0;
2458 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2459 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2460 if (acb->fw_flag == FW_DEADLOCK)
2461 pcmdmessagefld->cmdmessage.ReturnCode =
2462 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2464 pcmdmessagefld->cmdmessage.ReturnCode =
2465 ARCMSR_MESSAGE_RETURNCODE_OK;
2468 case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
2470 arcmsr_clear_iop2drv_rqueue_buffer(acb);
2471 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2472 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2473 acb->rqbuf_getIndex = 0;
2474 acb->rqbuf_putIndex = 0;
2475 pQbuffer = acb->rqbuffer;
2476 memset(pQbuffer, 0, sizeof(struct QBUFFER));
2477 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2478 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2479 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
2480 ACB_F_MESSAGE_WQBUFFER_READED);
2481 acb->wqbuf_getIndex = 0;
2482 acb->wqbuf_putIndex = 0;
2483 pQbuffer = acb->wqbuffer;
2484 memset(pQbuffer, 0, sizeof(struct QBUFFER));
2485 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2486 if (acb->fw_flag == FW_DEADLOCK)
2487 pcmdmessagefld->cmdmessage.ReturnCode =
2488 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2490 pcmdmessagefld->cmdmessage.ReturnCode =
2491 ARCMSR_MESSAGE_RETURNCODE_OK;
2494 case ARCMSR_MESSAGE_RETURN_CODE_3F: {
2495 if (acb->fw_flag == FW_DEADLOCK)
2496 pcmdmessagefld->cmdmessage.ReturnCode =
2497 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2499 pcmdmessagefld->cmdmessage.ReturnCode =
2500 ARCMSR_MESSAGE_RETURNCODE_3F;
2503 case ARCMSR_MESSAGE_SAY_HELLO: {
2504 int8_t *hello_string = "Hello! I am ARCMSR";
2505 if (acb->fw_flag == FW_DEADLOCK)
2506 pcmdmessagefld->cmdmessage.ReturnCode =
2507 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2509 pcmdmessagefld->cmdmessage.ReturnCode =
2510 ARCMSR_MESSAGE_RETURNCODE_OK;
2511 memcpy(pcmdmessagefld->messagedatabuffer,
2512 hello_string, (int16_t)strlen(hello_string));
2515 case ARCMSR_MESSAGE_SAY_GOODBYE: {
2516 if (acb->fw_flag == FW_DEADLOCK)
2517 pcmdmessagefld->cmdmessage.ReturnCode =
2518 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2520 pcmdmessagefld->cmdmessage.ReturnCode =
2521 ARCMSR_MESSAGE_RETURNCODE_OK;
2522 arcmsr_iop_parking(acb);
2525 case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: {
2526 if (acb->fw_flag == FW_DEADLOCK)
2527 pcmdmessagefld->cmdmessage.ReturnCode =
2528 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2530 pcmdmessagefld->cmdmessage.ReturnCode =
2531 ARCMSR_MESSAGE_RETURNCODE_OK;
2532 arcmsr_flush_adapter_cache(acb);
2536 retvalue = ARCMSR_MESSAGE_FAIL;
2537 pr_info("%s: unknown controlcode!\n", __func__);
2541 struct scatterlist *sg = scsi_sglist(cmd);
2542 kunmap_atomic(buffer - sg->offset);
2547 static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb)
2549 struct list_head *head = &acb->ccb_free_list;
2550 struct CommandControlBlock *ccb = NULL;
2551 unsigned long flags;
2552 spin_lock_irqsave(&acb->ccblist_lock, flags);
2553 if (!list_empty(head)) {
2554 ccb = list_entry(head->next, struct CommandControlBlock, list);
2555 list_del_init(&ccb->list);
2557 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
2560 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
2564 static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
2565 struct scsi_cmnd *cmd)
2567 switch (cmd->cmnd[0]) {
2569 unsigned char inqdata[36];
2571 struct scatterlist *sg;
2573 if (cmd->device->lun) {
2574 cmd->result = (DID_TIME_OUT << 16);
2575 cmd->scsi_done(cmd);
2578 inqdata[0] = TYPE_PROCESSOR;
2579 /* Periph Qualifier & Periph Dev Type */
2581 /* rem media bit & Dev Type Modifier */
2583 /* ISO, ECMA, & ANSI versions */
2585 /* length of additional data */
2586 strncpy(&inqdata[8], "Areca ", 8);
2587 /* Vendor Identification */
2588 strncpy(&inqdata[16], "RAID controller ", 16);
2589 /* Product Identification */
2590 strncpy(&inqdata[32], "R001", 4); /* Product Revision */
2592 sg = scsi_sglist(cmd);
2593 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2595 memcpy(buffer, inqdata, sizeof(inqdata));
2596 sg = scsi_sglist(cmd);
2597 kunmap_atomic(buffer - sg->offset);
2599 cmd->scsi_done(cmd);
2604 if (arcmsr_iop_message_xfer(acb, cmd))
2605 cmd->result = (DID_ERROR << 16);
2606 cmd->scsi_done(cmd);
2610 cmd->scsi_done(cmd);
2614 static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd,
2615 void (* done)(struct scsi_cmnd *))
2617 struct Scsi_Host *host = cmd->device->host;
2618 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
2619 struct CommandControlBlock *ccb;
2620 int target = cmd->device->id;
2621 cmd->scsi_done = done;
2622 cmd->host_scribble = NULL;
2625 /* virtual device for iop message transfer */
2626 arcmsr_handle_virtual_command(acb, cmd);
2629 ccb = arcmsr_get_freeccb(acb);
2631 return SCSI_MLQUEUE_HOST_BUSY;
2632 if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) {
2633 cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1);
2634 cmd->scsi_done(cmd);
2637 arcmsr_post_ccb(acb, ccb);
2641 static DEF_SCSI_QCMD(arcmsr_queue_command)
2643 static bool arcmsr_hbaA_get_config(struct AdapterControlBlock *acb)
2645 struct MessageUnit_A __iomem *reg = acb->pmuA;
2646 char *acb_firm_model = acb->firm_model;
2647 char *acb_firm_version = acb->firm_version;
2648 char *acb_device_map = acb->device_map;
2649 char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]);
2650 char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);
2651 char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);
2653 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
2654 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
2655 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2656 miscellaneous data' timeout \n", acb->host->host_no);
2661 *acb_firm_model = readb(iop_firm_model);
2669 *acb_firm_version = readb(iop_firm_version);
2677 *acb_device_map = readb(iop_device_map);
2682 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2686 acb->signature = readl(®->message_rwbuffer[0]);
2687 acb->firm_request_len = readl(®->message_rwbuffer[1]);
2688 acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
2689 acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
2690 acb->firm_hd_channels = readl(®->message_rwbuffer[4]);
2691 acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2694 static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
2696 struct MessageUnit_B *reg = acb->pmuB;
2697 char *acb_firm_model = acb->firm_model;
2698 char *acb_firm_version = acb->firm_version;
2699 char *acb_device_map = acb->device_map;
2700 char __iomem *iop_firm_model;
2701 /*firm_model,15,60-67*/
2702 char __iomem *iop_firm_version;
2703 /*firm_version,17,68-83*/
2704 char __iomem *iop_device_map;
2705 /*firm_version,21,84-99*/
2708 iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/
2709 iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/
2710 iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/
2712 arcmsr_wait_firmware_ready(acb);
2713 writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
2714 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
2715 printk(KERN_ERR "arcmsr%d: can't set driver mode.\n", acb->host->host_no);
2718 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
2719 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
2720 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2721 miscellaneous data' timeout \n", acb->host->host_no);
2726 *acb_firm_model = readb(iop_firm_model);
2733 *acb_firm_version = readb(iop_firm_version);
2741 *acb_device_map = readb(iop_device_map);
2747 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2752 acb->signature = readl(®->message_rwbuffer[0]);
2753 /*firm_signature,1,00-03*/
2754 acb->firm_request_len = readl(®->message_rwbuffer[1]);
2755 /*firm_request_len,1,04-07*/
2756 acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
2757 /*firm_numbers_queue,2,08-11*/
2758 acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
2759 /*firm_sdram_size,3,12-15*/
2760 acb->firm_hd_channels = readl(®->message_rwbuffer[4]);
2761 /*firm_ide_channels,4,16-19*/
2762 acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2763 /*firm_ide_channels,4,16-19*/
2767 static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
2769 uint32_t intmask_org, Index, firmware_state = 0;
2770 struct MessageUnit_C __iomem *reg = pACB->pmuC;
2771 char *acb_firm_model = pACB->firm_model;
2772 char *acb_firm_version = pACB->firm_version;
2773 char __iomem *iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
2774 char __iomem *iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
2776 /* disable all outbound interrupt */
2777 intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
2778 writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
2779 /* wait firmware ready */
2781 firmware_state = readl(®->outbound_msgaddr1);
2782 } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
2783 /* post "get config" instruction */
2784 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
2785 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
2786 /* wait message ready */
2787 for (Index = 0; Index < 2000; Index++) {
2788 if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
2789 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/
2794 if (Index >= 2000) {
2795 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2796 miscellaneous data' timeout \n", pACB->host->host_no);
2801 *acb_firm_model = readb(iop_firm_model);
2808 *acb_firm_version = readb(iop_firm_version);
2813 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2814 pACB->host->host_no,
2816 pACB->firm_version);
2817 pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
2818 pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
2819 pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
2820 pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
2821 pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2822 /*all interrupt service will be enable at arcmsr_iop_init*/
2826 static bool arcmsr_hbaD_get_config(struct AdapterControlBlock *acb)
2828 char *acb_firm_model = acb->firm_model;
2829 char *acb_firm_version = acb->firm_version;
2830 char *acb_device_map = acb->device_map;
2831 char __iomem *iop_firm_model;
2832 char __iomem *iop_firm_version;
2833 char __iomem *iop_device_map;
2835 struct MessageUnit_D *reg = acb->pmuD;
2837 iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]);
2838 iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]);
2839 iop_device_map = (char __iomem *)(®->msgcode_rwbuffer[21]);
2840 if (readl(acb->pmuD->outbound_doorbell) &
2841 ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
2842 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
2843 acb->pmuD->outbound_doorbell);/*clear interrupt*/
2845 /* post "get config" instruction */
2846 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0);
2847 /* wait message ready */
2848 if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
2849 pr_notice("arcmsr%d: wait get adapter firmware "
2850 "miscellaneous data timeout\n", acb->host->host_no);
2855 *acb_firm_model = readb(iop_firm_model);
2862 *acb_firm_version = readb(iop_firm_version);
2869 *acb_device_map = readb(iop_device_map);
2874 acb->signature = readl(®->msgcode_rwbuffer[0]);
2875 /*firm_signature,1,00-03*/
2876 acb->firm_request_len = readl(®->msgcode_rwbuffer[1]);
2877 /*firm_request_len,1,04-07*/
2878 acb->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]);
2879 /*firm_numbers_queue,2,08-11*/
2880 acb->firm_sdram_size = readl(®->msgcode_rwbuffer[3]);
2881 /*firm_sdram_size,3,12-15*/
2882 acb->firm_hd_channels = readl(®->msgcode_rwbuffer[4]);
2883 /*firm_hd_channels,4,16-19*/
2884 acb->firm_cfg_version = readl(®->msgcode_rwbuffer[25]);
2885 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2892 static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
2896 switch (acb->adapter_type) {
2897 case ACB_ADAPTER_TYPE_A:
2898 rtn = arcmsr_hbaA_get_config(acb);
2900 case ACB_ADAPTER_TYPE_B:
2901 rtn = arcmsr_hbaB_get_config(acb);
2903 case ACB_ADAPTER_TYPE_C:
2904 rtn = arcmsr_hbaC_get_config(acb);
2906 case ACB_ADAPTER_TYPE_D:
2907 rtn = arcmsr_hbaD_get_config(acb);
2912 if (acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD)
2913 acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD;
2915 acb->maxOutstanding = acb->firm_numbers_queue - 1;
2916 acb->host->can_queue = acb->maxOutstanding;
2920 static int arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb,
2921 struct CommandControlBlock *poll_ccb)
2923 struct MessageUnit_A __iomem *reg = acb->pmuA;
2924 struct CommandControlBlock *ccb;
2925 struct ARCMSR_CDB *arcmsr_cdb;
2926 uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
2929 polling_hba_ccb_retry:
2931 outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable;
2932 writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
2934 if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) {
2940 if (poll_count > 100){
2944 goto polling_hba_ccb_retry;
2947 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
2948 ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
2949 poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0;
2950 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
2951 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
2952 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
2953 " poll command abort successfully \n"
2954 , acb->host->host_no
2955 , ccb->pcmd->device->id
2956 , (u32)ccb->pcmd->device->lun
2958 ccb->pcmd->result = DID_ABORT << 16;
2959 arcmsr_ccb_complete(ccb);
2962 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
2963 " command done ccb = '0x%p'"
2964 "ccboutstandingcount = %d \n"
2965 , acb->host->host_no
2967 , atomic_read(&acb->ccboutstandingcount));
2970 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
2971 arcmsr_report_ccb_state(acb, ccb, error);
2976 static int arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb,
2977 struct CommandControlBlock *poll_ccb)
2979 struct MessageUnit_B *reg = acb->pmuB;
2980 struct ARCMSR_CDB *arcmsr_cdb;
2981 struct CommandControlBlock *ccb;
2982 uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
2985 polling_hbb_ccb_retry:
2988 /* clear doorbell interrupt */
2989 writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
2991 index = reg->doneq_index;
2992 flag_ccb = reg->done_qbuffer[index];
2993 if (flag_ccb == 0) {
2999 if (poll_count > 100){
3003 goto polling_hbb_ccb_retry;
3006 reg->done_qbuffer[index] = 0;
3008 /*if last index number set it to 0 */
3009 index %= ARCMSR_MAX_HBB_POSTQUEUE;
3010 reg->doneq_index = index;
3011 /* check if command done with no error*/
3012 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
3013 ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
3014 poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0;
3015 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
3016 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
3017 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
3018 " poll command abort successfully \n"
3020 ,ccb->pcmd->device->id
3021 ,(u32)ccb->pcmd->device->lun
3023 ccb->pcmd->result = DID_ABORT << 16;
3024 arcmsr_ccb_complete(ccb);
3027 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
3028 " command done ccb = '0x%p'"
3029 "ccboutstandingcount = %d \n"
3030 , acb->host->host_no
3032 , atomic_read(&acb->ccboutstandingcount));
3035 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
3036 arcmsr_report_ccb_state(acb, ccb, error);
3041 static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb,
3042 struct CommandControlBlock *poll_ccb)
3044 struct MessageUnit_C __iomem *reg = acb->pmuC;
3045 uint32_t flag_ccb, ccb_cdb_phy;
3046 struct ARCMSR_CDB *arcmsr_cdb;
3048 struct CommandControlBlock *pCCB;
3049 uint32_t poll_ccb_done = 0, poll_count = 0;
3051 polling_hbc_ccb_retry:
3054 if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
3055 if (poll_ccb_done) {
3060 if (poll_count > 100) {
3064 goto polling_hbc_ccb_retry;
3067 flag_ccb = readl(®->outbound_queueport_low);
3068 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
3069 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
3070 pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
3071 poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
3072 /* check ifcommand done with no error*/
3073 if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
3074 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
3075 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
3076 " poll command abort successfully \n"
3077 , acb->host->host_no
3078 , pCCB->pcmd->device->id
3079 , (u32)pCCB->pcmd->device->lun
3081 pCCB->pcmd->result = DID_ABORT << 16;
3082 arcmsr_ccb_complete(pCCB);
3085 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
3086 " command done ccb = '0x%p'"
3087 "ccboutstandingcount = %d \n"
3088 , acb->host->host_no
3090 , atomic_read(&acb->ccboutstandingcount));
3093 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
3094 arcmsr_report_ccb_state(acb, pCCB, error);
3099 static int arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb,
3100 struct CommandControlBlock *poll_ccb)
3103 uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy;
3104 int rtn, doneq_index, index_stripped, outbound_write_pointer, toggle;
3105 unsigned long flags;
3106 struct ARCMSR_CDB *arcmsr_cdb;
3107 struct CommandControlBlock *pCCB;
3108 struct MessageUnit_D *pmu = acb->pmuD;
3110 polling_hbaD_ccb_retry:
3113 spin_lock_irqsave(&acb->doneq_lock, flags);
3114 outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
3115 doneq_index = pmu->doneq_index;
3116 if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) {
3117 spin_unlock_irqrestore(&acb->doneq_lock, flags);
3118 if (poll_ccb_done) {
3123 if (poll_count > 40) {
3127 goto polling_hbaD_ccb_retry;
3130 toggle = doneq_index & 0x4000;
3131 index_stripped = (doneq_index & 0xFFF) + 1;
3132 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
3133 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
3134 ((toggle ^ 0x4000) + 1);
3135 doneq_index = pmu->doneq_index;
3136 spin_unlock_irqrestore(&acb->doneq_lock, flags);
3137 flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
3138 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
3139 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset +
3141 pCCB = container_of(arcmsr_cdb, struct CommandControlBlock,
3143 poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
3144 if ((pCCB->acb != acb) ||
3145 (pCCB->startdone != ARCMSR_CCB_START)) {
3146 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
3147 pr_notice("arcmsr%d: scsi id = %d "
3148 "lun = %d ccb = '0x%p' poll command "
3149 "abort successfully\n"
3150 , acb->host->host_no
3151 , pCCB->pcmd->device->id
3152 , (u32)pCCB->pcmd->device->lun
3154 pCCB->pcmd->result = DID_ABORT << 16;
3155 arcmsr_ccb_complete(pCCB);
3158 pr_notice("arcmsr%d: polling an illegal "
3159 "ccb command done ccb = '0x%p' "
3160 "ccboutstandingcount = %d\n"
3161 , acb->host->host_no
3163 , atomic_read(&acb->ccboutstandingcount));
3166 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
3168 arcmsr_report_ccb_state(acb, pCCB, error);
3173 static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
3174 struct CommandControlBlock *poll_ccb)
3177 switch (acb->adapter_type) {
3179 case ACB_ADAPTER_TYPE_A: {
3180 rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb);
3184 case ACB_ADAPTER_TYPE_B: {
3185 rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb);
3188 case ACB_ADAPTER_TYPE_C: {
3189 rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb);
3192 case ACB_ADAPTER_TYPE_D:
3193 rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb);
3199 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
3201 uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
3202 dma_addr_t dma_coherent_handle;
3205 ********************************************************************
3206 ** here we need to tell iop 331 our freeccb.HighPart
3207 ** if freeccb.HighPart is not zero
3208 ********************************************************************
3210 switch (acb->adapter_type) {
3211 case ACB_ADAPTER_TYPE_B:
3212 case ACB_ADAPTER_TYPE_D:
3213 dma_coherent_handle = acb->dma_coherent_handle2;
3216 dma_coherent_handle = acb->dma_coherent_handle;
3219 cdb_phyaddr = lower_32_bits(dma_coherent_handle);
3220 cdb_phyaddr_hi32 = upper_32_bits(dma_coherent_handle);
3221 acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
3223 ***********************************************************************
3224 ** if adapter type B, set window of "post command Q"
3225 ***********************************************************************
3227 switch (acb->adapter_type) {
3229 case ACB_ADAPTER_TYPE_A: {
3230 if (cdb_phyaddr_hi32 != 0) {
3231 struct MessageUnit_A __iomem *reg = acb->pmuA;
3232 writel(ARCMSR_SIGNATURE_SET_CONFIG, \
3233 ®->message_rwbuffer[0]);
3234 writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]);
3235 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
3236 ®->inbound_msgaddr0);
3237 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
3238 printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
3239 part physical address timeout\n",
3240 acb->host->host_no);
3247 case ACB_ADAPTER_TYPE_B: {
3248 uint32_t __iomem *rwbuffer;
3250 struct MessageUnit_B *reg = acb->pmuB;
3251 reg->postq_index = 0;
3252 reg->doneq_index = 0;
3253 writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
3254 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3255 printk(KERN_NOTICE "arcmsr%d: cannot set driver mode\n", \
3256 acb->host->host_no);
3259 rwbuffer = reg->message_rwbuffer;
3260 /* driver "set config" signature */
3261 writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
3262 /* normal should be zero */
3263 writel(cdb_phyaddr_hi32, rwbuffer++);
3264 /* postQ size (256 + 8)*4 */
3265 writel(cdb_phyaddr, rwbuffer++);
3266 /* doneQ size (256 + 8)*4 */
3267 writel(cdb_phyaddr + 1056, rwbuffer++);
3268 /* ccb maxQ size must be --> [(256 + 8)*4]*/
3269 writel(1056, rwbuffer);
3271 writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
3272 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3273 printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
3274 timeout \n",acb->host->host_no);
3277 writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
3278 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3279 pr_err("arcmsr%d: can't set driver mode.\n",
3280 acb->host->host_no);
3285 case ACB_ADAPTER_TYPE_C: {
3286 if (cdb_phyaddr_hi32 != 0) {
3287 struct MessageUnit_C __iomem *reg = acb->pmuC;
3289 printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n",
3290 acb->adapter_index, cdb_phyaddr_hi32);
3291 writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]);
3292 writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]);
3293 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0);
3294 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
3295 if (!arcmsr_hbaC_wait_msgint_ready(acb)) {
3296 printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
3297 timeout \n", acb->host->host_no);
3303 case ACB_ADAPTER_TYPE_D: {
3304 uint32_t __iomem *rwbuffer;
3305 struct MessageUnit_D *reg = acb->pmuD;
3306 reg->postq_index = 0;
3307 reg->doneq_index = 0;
3308 rwbuffer = reg->msgcode_rwbuffer;
3309 writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
3310 writel(cdb_phyaddr_hi32, rwbuffer++);
3311 writel(cdb_phyaddr, rwbuffer++);
3312 writel(cdb_phyaddr + (ARCMSR_MAX_ARC1214_POSTQUEUE *
3313 sizeof(struct InBound_SRB)), rwbuffer++);
3314 writel(0x100, rwbuffer);
3315 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, reg->inbound_msgaddr0);
3316 if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
3317 pr_notice("arcmsr%d: 'set command Q window' timeout\n",
3318 acb->host->host_no);
3327 static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
3329 uint32_t firmware_state = 0;
3330 switch (acb->adapter_type) {
3332 case ACB_ADAPTER_TYPE_A: {
3333 struct MessageUnit_A __iomem *reg = acb->pmuA;
3335 firmware_state = readl(®->outbound_msgaddr1);
3336 } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);
3340 case ACB_ADAPTER_TYPE_B: {
3341 struct MessageUnit_B *reg = acb->pmuB;
3343 firmware_state = readl(reg->iop2drv_doorbell);
3344 } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
3345 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
3348 case ACB_ADAPTER_TYPE_C: {
3349 struct MessageUnit_C __iomem *reg = acb->pmuC;
3351 firmware_state = readl(®->outbound_msgaddr1);
3352 } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
3355 case ACB_ADAPTER_TYPE_D: {
3356 struct MessageUnit_D *reg = acb->pmuD;
3358 firmware_state = readl(reg->outbound_msgaddr1);
3359 } while ((firmware_state &
3360 ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
3366 static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb)
3368 struct MessageUnit_A __iomem *reg = acb->pmuA;
3369 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
3370 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3373 acb->fw_flag = FW_NORMAL;
3374 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){
3375 atomic_set(&acb->rq_map_token, 16);
3377 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3378 if (atomic_dec_and_test(&acb->rq_map_token)) {
3379 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3382 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
3383 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3388 static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb)
3390 struct MessageUnit_B *reg = acb->pmuB;
3391 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
3392 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3395 acb->fw_flag = FW_NORMAL;
3396 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
3397 atomic_set(&acb->rq_map_token, 16);
3399 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3400 if (atomic_dec_and_test(&acb->rq_map_token)) {
3401 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3404 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
3405 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3410 static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb)
3412 struct MessageUnit_C __iomem *reg = acb->pmuC;
3413 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
3414 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3417 acb->fw_flag = FW_NORMAL;
3418 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
3419 atomic_set(&acb->rq_map_token, 16);
3421 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3422 if (atomic_dec_and_test(&acb->rq_map_token)) {
3423 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3426 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
3427 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
3428 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3433 static void arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb)
3435 struct MessageUnit_D *reg = acb->pmuD;
3437 if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
3438 ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
3439 ((acb->acb_flags & ACB_F_ABORT) != 0)) {
3440 mod_timer(&acb->eternal_timer,
3441 jiffies + msecs_to_jiffies(6 * HZ));
3443 acb->fw_flag = FW_NORMAL;
3444 if (atomic_read(&acb->ante_token_value) ==
3445 atomic_read(&acb->rq_map_token)) {
3446 atomic_set(&acb->rq_map_token, 16);
3448 atomic_set(&acb->ante_token_value,
3449 atomic_read(&acb->rq_map_token));
3450 if (atomic_dec_and_test(&acb->rq_map_token)) {
3451 mod_timer(&acb->eternal_timer, jiffies +
3452 msecs_to_jiffies(6 * HZ));
3455 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
3456 reg->inbound_msgaddr0);
3457 mod_timer(&acb->eternal_timer, jiffies +
3458 msecs_to_jiffies(6 * HZ));
3462 static void arcmsr_request_device_map(unsigned long pacb)
3464 struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
3465 switch (acb->adapter_type) {
3466 case ACB_ADAPTER_TYPE_A: {
3467 arcmsr_hbaA_request_device_map(acb);
3470 case ACB_ADAPTER_TYPE_B: {
3471 arcmsr_hbaB_request_device_map(acb);
3474 case ACB_ADAPTER_TYPE_C: {
3475 arcmsr_hbaC_request_device_map(acb);
3478 case ACB_ADAPTER_TYPE_D:
3479 arcmsr_hbaD_request_device_map(acb);
3484 static void arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb)
3486 struct MessageUnit_A __iomem *reg = acb->pmuA;
3487 acb->acb_flags |= ACB_F_MSG_START_BGRB;
3488 writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0);
3489 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
3490 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3491 rebulid' timeout \n", acb->host->host_no);
3495 static void arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb)
3497 struct MessageUnit_B *reg = acb->pmuB;
3498 acb->acb_flags |= ACB_F_MSG_START_BGRB;
3499 writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
3500 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3501 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3502 rebulid' timeout \n",acb->host->host_no);
3506 static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB)
3508 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
3509 pACB->acb_flags |= ACB_F_MSG_START_BGRB;
3510 writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0);
3511 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell);
3512 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
3513 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3514 rebulid' timeout \n", pACB->host->host_no);
3519 static void arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB)
3521 struct MessageUnit_D *pmu = pACB->pmuD;
3523 pACB->acb_flags |= ACB_F_MSG_START_BGRB;
3524 writel(ARCMSR_INBOUND_MESG0_START_BGRB, pmu->inbound_msgaddr0);
3525 if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
3526 pr_notice("arcmsr%d: wait 'start adapter "
3527 "background rebulid' timeout\n", pACB->host->host_no);
3531 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
3533 switch (acb->adapter_type) {
3534 case ACB_ADAPTER_TYPE_A:
3535 arcmsr_hbaA_start_bgrb(acb);
3537 case ACB_ADAPTER_TYPE_B:
3538 arcmsr_hbaB_start_bgrb(acb);
3540 case ACB_ADAPTER_TYPE_C:
3541 arcmsr_hbaC_start_bgrb(acb);
3543 case ACB_ADAPTER_TYPE_D:
3544 arcmsr_hbaD_start_bgrb(acb);
3549 static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
3551 switch (acb->adapter_type) {
3552 case ACB_ADAPTER_TYPE_A: {
3553 struct MessageUnit_A __iomem *reg = acb->pmuA;
3554 uint32_t outbound_doorbell;
3555 /* empty doorbell Qbuffer if door bell ringed */
3556 outbound_doorbell = readl(®->outbound_doorbell);
3557 /*clear doorbell interrupt */
3558 writel(outbound_doorbell, ®->outbound_doorbell);
3559 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
3563 case ACB_ADAPTER_TYPE_B: {
3564 struct MessageUnit_B *reg = acb->pmuB;
3565 /*clear interrupt and message state*/
3566 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
3567 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
3568 /* let IOP know data has been read */
3571 case ACB_ADAPTER_TYPE_C: {
3572 struct MessageUnit_C __iomem *reg = acb->pmuC;
3573 uint32_t outbound_doorbell, i;
3574 /* empty doorbell Qbuffer if door bell ringed */
3575 outbound_doorbell = readl(®->outbound_doorbell);
3576 writel(outbound_doorbell, ®->outbound_doorbell_clear);
3577 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
3578 for (i = 0; i < 200; i++) {
3580 outbound_doorbell = readl(®->outbound_doorbell);
3581 if (outbound_doorbell &
3582 ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
3583 writel(outbound_doorbell,
3584 ®->outbound_doorbell_clear);
3585 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
3586 ®->inbound_doorbell);
3592 case ACB_ADAPTER_TYPE_D: {
3593 struct MessageUnit_D *reg = acb->pmuD;
3594 uint32_t outbound_doorbell, i;
3595 /* empty doorbell Qbuffer if door bell ringed */
3596 outbound_doorbell = readl(reg->outbound_doorbell);
3597 writel(outbound_doorbell, reg->outbound_doorbell);
3598 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
3599 reg->inbound_doorbell);
3600 for (i = 0; i < 200; i++) {
3602 outbound_doorbell = readl(reg->outbound_doorbell);
3603 if (outbound_doorbell &
3604 ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) {
3605 writel(outbound_doorbell,
3606 reg->outbound_doorbell);
3607 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
3608 reg->inbound_doorbell);
3617 static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
3619 switch (acb->adapter_type) {
3620 case ACB_ADAPTER_TYPE_A:
3622 case ACB_ADAPTER_TYPE_B:
3624 struct MessageUnit_B *reg = acb->pmuB;
3625 writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
3626 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3627 printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
3632 case ACB_ADAPTER_TYPE_C:
3638 static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
3642 struct MessageUnit_A __iomem *pmuA = acb->pmuA;
3643 struct MessageUnit_C __iomem *pmuC = acb->pmuC;
3644 struct MessageUnit_D *pmuD = acb->pmuD;
3646 /* backup pci config data */
3647 printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
3648 for (i = 0; i < 64; i++) {
3649 pci_read_config_byte(acb->pdev, i, &value[i]);
3651 /* hardware reset signal */
3652 if ((acb->dev_id == 0x1680)) {
3653 writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]);
3654 } else if ((acb->dev_id == 0x1880)) {
3657 writel(0xF, &pmuC->write_sequence);
3658 writel(0x4, &pmuC->write_sequence);
3659 writel(0xB, &pmuC->write_sequence);
3660 writel(0x2, &pmuC->write_sequence);
3661 writel(0x7, &pmuC->write_sequence);
3662 writel(0xD, &pmuC->write_sequence);
3663 } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
3664 writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
3665 } else if ((acb->dev_id == 0x1214)) {
3666 writel(0x20, pmuD->reset_request);
3668 pci_write_config_byte(acb->pdev, 0x84, 0x20);
3671 /* write back pci config data */
3672 for (i = 0; i < 64; i++) {
3673 pci_write_config_byte(acb->pdev, i, value[i]);
3678 static void arcmsr_iop_init(struct AdapterControlBlock *acb)
3680 uint32_t intmask_org;
3681 /* disable all outbound interrupt */
3682 intmask_org = arcmsr_disable_outbound_ints(acb);
3683 arcmsr_wait_firmware_ready(acb);
3684 arcmsr_iop_confirm(acb);
3685 /*start background rebuild*/
3686 arcmsr_start_adapter_bgrb(acb);
3687 /* empty doorbell Qbuffer if door bell ringed */
3688 arcmsr_clear_doorbell_queue_buffer(acb);
3689 arcmsr_enable_eoi_mode(acb);
3690 /* enable outbound Post Queue,outbound doorbell Interrupt */
3691 arcmsr_enable_outbound_ints(acb, intmask_org);
3692 acb->acb_flags |= ACB_F_IOP_INITED;
3695 static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
3697 struct CommandControlBlock *ccb;
3698 uint32_t intmask_org;
3699 uint8_t rtnval = 0x00;
3701 unsigned long flags;
3703 if (atomic_read(&acb->ccboutstandingcount) != 0) {
3704 /* disable all outbound interrupt */
3705 intmask_org = arcmsr_disable_outbound_ints(acb);
3706 /* talk to iop 331 outstanding command aborted */
3707 rtnval = arcmsr_abort_allcmd(acb);
3708 /* clear all outbound posted Q */
3709 arcmsr_done4abort_postqueue(acb);
3710 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
3711 ccb = acb->pccb_pool[i];
3712 if (ccb->startdone == ARCMSR_CCB_START) {
3713 scsi_dma_unmap(ccb->pcmd);
3714 ccb->startdone = ARCMSR_CCB_DONE;
3716 spin_lock_irqsave(&acb->ccblist_lock, flags);
3717 list_add_tail(&ccb->list, &acb->ccb_free_list);
3718 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
3721 atomic_set(&acb->ccboutstandingcount, 0);
3722 /* enable all outbound interrupt */
3723 arcmsr_enable_outbound_ints(acb, intmask_org);
3729 static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
3731 struct AdapterControlBlock *acb;
3732 uint32_t intmask_org, outbound_doorbell;
3733 int retry_count = 0;
3735 acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
3736 printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
3739 switch(acb->adapter_type){
3740 case ACB_ADAPTER_TYPE_A:{
3741 if (acb->acb_flags & ACB_F_BUS_RESET){
3743 printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
3744 timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
3749 acb->acb_flags |= ACB_F_BUS_RESET;
3750 if (!arcmsr_iop_reset(acb)) {
3751 struct MessageUnit_A __iomem *reg;
3753 arcmsr_hardware_reset(acb);
3754 acb->acb_flags &= ~ACB_F_IOP_INITED;
3756 ssleep(ARCMSR_SLEEPTIME);
3757 if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
3758 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
3759 if (retry_count > ARCMSR_RETRYCOUNT) {
3760 acb->fw_flag = FW_DEADLOCK;
3761 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
3767 acb->acb_flags |= ACB_F_IOP_INITED;
3768 /* disable all outbound interrupt */
3769 intmask_org = arcmsr_disable_outbound_ints(acb);
3770 arcmsr_get_firmware_spec(acb);
3771 arcmsr_start_adapter_bgrb(acb);
3772 /* clear Qbuffer if door bell ringed */
3773 outbound_doorbell = readl(®->outbound_doorbell);
3774 writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */
3775 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
3776 /* enable outbound Post Queue,outbound doorbell Interrupt */
3777 arcmsr_enable_outbound_ints(acb, intmask_org);
3778 atomic_set(&acb->rq_map_token, 16);
3779 atomic_set(&acb->ante_token_value, 16);
3780 acb->fw_flag = FW_NORMAL;
3781 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3782 acb->acb_flags &= ~ACB_F_BUS_RESET;
3784 printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
3786 acb->acb_flags &= ~ACB_F_BUS_RESET;
3787 atomic_set(&acb->rq_map_token, 16);
3788 atomic_set(&acb->ante_token_value, 16);
3789 acb->fw_flag = FW_NORMAL;
3790 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
3795 case ACB_ADAPTER_TYPE_B:{
3796 acb->acb_flags |= ACB_F_BUS_RESET;
3797 if (!arcmsr_iop_reset(acb)) {
3798 acb->acb_flags &= ~ACB_F_BUS_RESET;
3801 acb->acb_flags &= ~ACB_F_BUS_RESET;
3802 atomic_set(&acb->rq_map_token, 16);
3803 atomic_set(&acb->ante_token_value, 16);
3804 acb->fw_flag = FW_NORMAL;
3805 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3810 case ACB_ADAPTER_TYPE_C:{
3811 if (acb->acb_flags & ACB_F_BUS_RESET) {
3813 printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
3814 timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
3819 acb->acb_flags |= ACB_F_BUS_RESET;
3820 if (!arcmsr_iop_reset(acb)) {
3821 struct MessageUnit_C __iomem *reg;
3823 arcmsr_hardware_reset(acb);
3824 acb->acb_flags &= ~ACB_F_IOP_INITED;
3826 ssleep(ARCMSR_SLEEPTIME);
3827 if ((readl(®->host_diagnostic) & 0x04) != 0) {
3828 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
3829 if (retry_count > ARCMSR_RETRYCOUNT) {
3830 acb->fw_flag = FW_DEADLOCK;
3831 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
3837 acb->acb_flags |= ACB_F_IOP_INITED;
3838 /* disable all outbound interrupt */
3839 intmask_org = arcmsr_disable_outbound_ints(acb);
3840 arcmsr_get_firmware_spec(acb);
3841 arcmsr_start_adapter_bgrb(acb);
3842 /* clear Qbuffer if door bell ringed */
3843 arcmsr_clear_doorbell_queue_buffer(acb);
3844 /* enable outbound Post Queue,outbound doorbell Interrupt */
3845 arcmsr_enable_outbound_ints(acb, intmask_org);
3846 atomic_set(&acb->rq_map_token, 16);
3847 atomic_set(&acb->ante_token_value, 16);
3848 acb->fw_flag = FW_NORMAL;
3849 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3850 acb->acb_flags &= ~ACB_F_BUS_RESET;
3852 printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
3854 acb->acb_flags &= ~ACB_F_BUS_RESET;
3855 atomic_set(&acb->rq_map_token, 16);
3856 atomic_set(&acb->ante_token_value, 16);
3857 acb->fw_flag = FW_NORMAL;
3858 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
3863 case ACB_ADAPTER_TYPE_D: {
3864 if (acb->acb_flags & ACB_F_BUS_RESET) {
3866 pr_notice("arcmsr: there is an bus reset"
3867 " eh proceeding.......\n");
3868 timeout = wait_event_timeout(wait_q, (acb->acb_flags
3869 & ACB_F_BUS_RESET) == 0, 220 * HZ);
3873 acb->acb_flags |= ACB_F_BUS_RESET;
3874 if (!arcmsr_iop_reset(acb)) {
3875 struct MessageUnit_D *reg;
3877 arcmsr_hardware_reset(acb);
3878 acb->acb_flags &= ~ACB_F_IOP_INITED;
3880 ssleep(ARCMSR_SLEEPTIME);
3881 if ((readl(reg->sample_at_reset) & 0x80) != 0) {
3882 pr_err("arcmsr%d: waiting for "
3883 "hw bus reset return, retry=%d\n",
3884 acb->host->host_no, retry_count);
3885 if (retry_count > ARCMSR_RETRYCOUNT) {
3886 acb->fw_flag = FW_DEADLOCK;
3887 pr_err("arcmsr%d: waiting for hw bus"
3889 "RETRY TERMINATED!!\n",
3890 acb->host->host_no);
3896 acb->acb_flags |= ACB_F_IOP_INITED;
3897 /* disable all outbound interrupt */
3898 intmask_org = arcmsr_disable_outbound_ints(acb);
3899 arcmsr_get_firmware_spec(acb);
3900 arcmsr_start_adapter_bgrb(acb);
3901 arcmsr_clear_doorbell_queue_buffer(acb);
3902 arcmsr_enable_outbound_ints(acb, intmask_org);
3903 atomic_set(&acb->rq_map_token, 16);
3904 atomic_set(&acb->ante_token_value, 16);
3905 acb->fw_flag = FW_NORMAL;
3906 mod_timer(&acb->eternal_timer,
3907 jiffies + msecs_to_jiffies(6 * HZ));
3908 acb->acb_flags &= ~ACB_F_BUS_RESET;
3910 pr_err("arcmsr: scsi bus reset "
3911 "eh returns with success\n");
3913 acb->acb_flags &= ~ACB_F_BUS_RESET;
3914 atomic_set(&acb->rq_map_token, 16);
3915 atomic_set(&acb->ante_token_value, 16);
3916 acb->fw_flag = FW_NORMAL;
3917 mod_timer(&acb->eternal_timer,
3918 jiffies + msecs_to_jiffies(6 * HZ));
3927 static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
3928 struct CommandControlBlock *ccb)
3931 rtn = arcmsr_polling_ccbdone(acb, ccb);
3935 static int arcmsr_abort(struct scsi_cmnd *cmd)
3937 struct AdapterControlBlock *acb =
3938 (struct AdapterControlBlock *)cmd->device->host->hostdata;
3941 uint32_t intmask_org;
3944 "arcmsr%d: abort device command of scsi id = %d lun = %d\n",
3945 acb->host->host_no, cmd->device->id, (u32)cmd->device->lun);
3946 acb->acb_flags |= ACB_F_ABORT;
3949 ************************************************
3950 ** the all interrupt service routine is locked
3951 ** we need to handle it as soon as possible and exit
3952 ************************************************
3954 if (!atomic_read(&acb->ccboutstandingcount)) {
3955 acb->acb_flags &= ~ACB_F_ABORT;
3959 intmask_org = arcmsr_disable_outbound_ints(acb);
3960 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
3961 struct CommandControlBlock *ccb = acb->pccb_pool[i];
3962 if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
3963 ccb->startdone = ARCMSR_CCB_ABORTED;
3964 rtn = arcmsr_abort_one_cmd(acb, ccb);
3968 acb->acb_flags &= ~ACB_F_ABORT;
3969 arcmsr_enable_outbound_ints(acb, intmask_org);
3973 static const char *arcmsr_info(struct Scsi_Host *host)
3975 struct AdapterControlBlock *acb =
3976 (struct AdapterControlBlock *) host->hostdata;
3977 static char buf[256];
3980 switch (acb->pdev->device) {
3981 case PCI_DEVICE_ID_ARECA_1110:
3982 case PCI_DEVICE_ID_ARECA_1200:
3983 case PCI_DEVICE_ID_ARECA_1202:
3984 case PCI_DEVICE_ID_ARECA_1210:
3987 case PCI_DEVICE_ID_ARECA_1120:
3988 case PCI_DEVICE_ID_ARECA_1130:
3989 case PCI_DEVICE_ID_ARECA_1160:
3990 case PCI_DEVICE_ID_ARECA_1170:
3991 case PCI_DEVICE_ID_ARECA_1201:
3992 case PCI_DEVICE_ID_ARECA_1203:
3993 case PCI_DEVICE_ID_ARECA_1220:
3994 case PCI_DEVICE_ID_ARECA_1230:
3995 case PCI_DEVICE_ID_ARECA_1260:
3996 case PCI_DEVICE_ID_ARECA_1270:
3997 case PCI_DEVICE_ID_ARECA_1280:
4000 case PCI_DEVICE_ID_ARECA_1214:
4001 case PCI_DEVICE_ID_ARECA_1380:
4002 case PCI_DEVICE_ID_ARECA_1381:
4003 case PCI_DEVICE_ID_ARECA_1680:
4004 case PCI_DEVICE_ID_ARECA_1681:
4005 case PCI_DEVICE_ID_ARECA_1880:
4013 sprintf(buf, "Areca %s RAID Controller %s\narcmsr version %s\n",
4014 type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION);